# Daily Intelligence Briefing — Monday, August 17, 2026

> On 2026-08-17, Threadlinqs published 14 new threat reports and updated 6, 5 rated critical and 11 high, spanning 175 MITRE ATT&CK techniques and 6 named threat actors. Coverage that day added 180 new detection rules and 465 extracted indicators.

- **Edition:** 2026-08-17 (Monday)
- **Canonical:** https://intel.threadlinqs.com/debrief/2026-08-17
- **Last updated:** 2026-08-22
- **New threats:** 14 (6 updated)
- **Critical / high:** 5 critical, 11 high, 4 medium, 0 low
- **ATT&CK techniques:** 175
- **Threat actors:** 6
- **Indicators (count only):** 465
- **New detection rules (count only):** 180

## Summary & highlights

"Download More RAM" Attack Bypasses Windows VBS and Disables Defender Through Memory Aliasing (CVE-2026-23670). AI-Accelerated Phone Scam (Vishing/TOAD) Campaigns Impersonating Amazon, Microsoft, PayPal, Norton, GitHub, Canva, Geek Squad, Temu, Target and the FTC. CVE-2026-40126: DOM-based XSS in OutSystems Service Center via malicious file upload filenames.

- [TL-2026-2040](https://intel.threadlinqs.com/threat/TL-2026-2040) — Operation QUICSILVER: China-Nexus Actor Targets Myanmar Diplomats via VHD-Delivered Go Backdoor (QUICAgent)
- [TL-2026-2045](https://intel.threadlinqs.com/threat/TL-2026-2045) — Chaos Ransomware Group Claims 235GB PHI/Internal Document Leak from Healthcare Highways (Unconfirmed)
- [TL-2026-2049](https://intel.threadlinqs.com/threat/TL-2026-2049) — Unisoc VoLTE Video-Call Exploit Chain Escalates Modem RCE to Full Android Kernel Access
- [TL-2026-2050](https://intel.threadlinqs.com/threat/TL-2026-2050) — Autonomous AI Agent Orchestration Powers Machine-Speed Social Engineering Attack Chains
- [TL-2026-2051](https://intel.threadlinqs.com/threat/TL-2026-2051) — GitHub Actions Workflow Injection in Snowflake .NET Connector Repo Exposed Jira Credentials

## Theme of the day

Critical zero-day exploits (Metabase SQLi, Defender EDR bypass) and massive credential leaks dominate, with GRU-linked APT and unattributed actors driving active attacks.

credential-theft, social-engineering, infostealer, anti-analysis, cryptocurrency-theft

## Threats published

- [TL-2026-2041](https://intel.threadlinqs.com/threat/TL-2026-2041) — CRITICAL — Unisoc VoLTE Video Call Exploit Chain Grants Full Android Kernel Access
- [TL-2026-2048](https://intel.threadlinqs.com/threat/TL-2026-2048) — CRITICAL — Critical GitLab GraphQL Flaw (CVE-2026-19478, CVSS 9.4) Could Let Unauthenticated Attackers Delete Public Projects
- [TL-2026-2052](https://intel.threadlinqs.com/threat/TL-2026-2052) — CRITICAL — CVE-2026-15748: Forminator WordPress Plugin Arbitrary File Upload Enables Unauthenticated RCE
- [TL-2026-0186](https://intel.threadlinqs.com/threat/TL-2026-0186) — CRITICAL — Coruna iOS Exploit Kit — 23 Exploits Across 5 Chains Targeting iOS 13-17.2.1 (CVE-2021-30952, CVE-2023-41974, CVE-2023-43000 + 20 More) (update)
- [TL-2026-0245](https://intel.threadlinqs.com/threat/TL-2026-0245) — CRITICAL — DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors (CVE-2026-20700, CVE-2025-43529, CVE-2025-31277) (update)
- [TL-2026-2040](https://intel.threadlinqs.com/threat/TL-2026-2040) — HIGH — Operation QUICSILVER: China-Nexus Actor Targets Myanmar Diplomats via VHD-Delivered Go Backdoor (QUICAgent)
- [TL-2026-2045](https://intel.threadlinqs.com/threat/TL-2026-2045) — HIGH — Chaos Ransomware Group Claims 235GB PHI/Internal Document Leak from Healthcare Highways (Unconfirmed)
- [TL-2026-2049](https://intel.threadlinqs.com/threat/TL-2026-2049) — HIGH — Unisoc VoLTE Video-Call Exploit Chain Escalates Modem RCE to Full Android Kernel Access
- [TL-2026-2050](https://intel.threadlinqs.com/threat/TL-2026-2050) — HIGH — Autonomous AI Agent Orchestration Powers Machine-Speed Social Engineering Attack Chains
- [TL-2026-2051](https://intel.threadlinqs.com/threat/TL-2026-2051) — HIGH — GitHub Actions Workflow Injection in Snowflake .NET Connector Repo Exposed Jira Credentials
- [TL-2026-2053](https://intel.threadlinqs.com/threat/TL-2026-2053) — HIGH — Cavern Manticore's CAV3RN C2 Framework Adds DNS-Based Channel Selection and Google Apps Script Relay
- [TL-2026-2061](https://intel.threadlinqs.com/threat/TL-2026-2061) — HIGH — MacSync Stealer: Malvertising Campaign Impersonates Claude/Apple Support to Deploy macOS Infostealer
- [TL-2026-1104](https://intel.threadlinqs.com/threat/TL-2026-1104) — HIGH — PamStealer: Rust-Based macOS Infostealer Masquerades as Maccy Clipboard Manager, Validates Stolen Passwords via PAM (update)
- [TL-2026-1274](https://intel.threadlinqs.com/threat/TL-2026-1274) — HIGH — CrashStealer: Native C++ macOS Infostealer Masquerading as Apple's CrashReporter via Notarized 'Werkbit' Dropper (update)
- [TL-2026-1979](https://intel.threadlinqs.com/threat/TL-2026-1979) — HIGH — Aeternum Loader Uses Polygon Blockchain Smart Contracts for Resilient C2, Deploys XWorm and XMRig (update)
- [TL-2026-2029](https://intel.threadlinqs.com/threat/TL-2026-2029) — HIGH — AmnesiaStealer: macOS Infostealer Hijacks Live Browser Sessions via Chrome DevTools Protocol Remote Control (update)
- [TL-2026-2039](https://intel.threadlinqs.com/threat/TL-2026-2039) — MEDIUM — "Download More RAM" Attack Bypasses Windows VBS and Disables Defender Through Memory Aliasing (CVE-2026-23670)
- [TL-2026-2042](https://intel.threadlinqs.com/threat/TL-2026-2042) — MEDIUM — AI-Accelerated Phone Scam (Vishing/TOAD) Campaigns Impersonating Amazon, Microsoft, PayPal, Norton, GitHub, Canva, Geek Squad, Temu, Target and the FTC
- [TL-2026-2043](https://intel.threadlinqs.com/threat/TL-2026-2043) — MEDIUM — CVE-2026-40126: DOM-based XSS in OutSystems Service Center via malicious file upload filenames
- [TL-2026-2047](https://intel.threadlinqs.com/threat/TL-2026-2047) — MEDIUM — Threat Actor 'TheHatman' Claims Theft of 3.6M+ Azure/Entra Tenant Employee Records from McDonald's, Gap, Vodafone, TCS, and Six Others via Password Spray/MFA Fatigue; TCS and Gap Dispute the Claims

## Techniques observed

T1003.004, [T1005](https://intel.threadlinqs.com/technique/T1005), [T1008](https://intel.threadlinqs.com/technique/T1008), [T1014](https://intel.threadlinqs.com/technique/T1014), [T1020](https://intel.threadlinqs.com/technique/T1020), [T1021.001](https://intel.threadlinqs.com/technique/T1021.001), [T1027](https://intel.threadlinqs.com/technique/T1027), [T1027.009](https://intel.threadlinqs.com/technique/T1027.009), [T1036](https://intel.threadlinqs.com/technique/T1036), [T1036.004](https://intel.threadlinqs.com/technique/T1036.004), [T1036.005](https://intel.threadlinqs.com/technique/T1036.005), [T1036.008](https://intel.threadlinqs.com/technique/T1036.008), [T1041](https://intel.threadlinqs.com/technique/T1041), [T1047](https://intel.threadlinqs.com/technique/T1047), [T1048](https://intel.threadlinqs.com/technique/T1048), T1053.002, [T1055](https://intel.threadlinqs.com/technique/T1055), [T1055.004](https://intel.threadlinqs.com/technique/T1055.004), [T1056](https://intel.threadlinqs.com/technique/T1056), [T1056.002](https://intel.threadlinqs.com/technique/T1056.002), [T1057](https://intel.threadlinqs.com/technique/T1057), [T1059](https://intel.threadlinqs.com/technique/T1059), [T1059.001](https://intel.threadlinqs.com/technique/T1059.001), [T1059.002](https://intel.threadlinqs.com/technique/T1059.002), [T1059.004](https://intel.threadlinqs.com/technique/T1059.004), [T1059.007](https://intel.threadlinqs.com/technique/T1059.007), [T1068](https://intel.threadlinqs.com/technique/T1068), [T1069](https://intel.threadlinqs.com/technique/T1069), [T1070](https://intel.threadlinqs.com/technique/T1070), [T1070.003](https://intel.threadlinqs.com/technique/T1070.003), [T1070.004](https://intel.threadlinqs.com/technique/T1070.004), [T1071](https://intel.threadlinqs.com/technique/T1071), [T1071.001](https://intel.threadlinqs.com/technique/T1071.001), [T1071.004](https://intel.threadlinqs.com/technique/T1071.004), [T1074](https://intel.threadlinqs.com/technique/T1074), [T1074.001](https://intel.threadlinqs.com/technique/T1074.001), [T1078](https://intel.threadlinqs.com/technique/T1078), [T1078.004](https://intel.threadlinqs.com/technique/T1078.004), [T1082](https://intel.threadlinqs.com/technique/T1082), [T1083](https://intel.threadlinqs.com/technique/T1083), [T1087](https://intel.threadlinqs.com/technique/T1087), [T1087.002](https://intel.threadlinqs.com/technique/T1087.002), [T1090.004](https://intel.threadlinqs.com/technique/T1090.004), [T1098](https://intel.threadlinqs.com/technique/T1098), [T1102](https://intel.threadlinqs.com/technique/T1102), [T1102.001](https://intel.threadlinqs.com/technique/T1102.001), [T1102.002](https://intel.threadlinqs.com/technique/T1102.002), [T1105](https://intel.threadlinqs.com/technique/T1105), [T1106](https://intel.threadlinqs.com/technique/T1106), [T1110](https://intel.threadlinqs.com/technique/T1110), [T1111](https://intel.threadlinqs.com/technique/T1111), [T1112](https://intel.threadlinqs.com/technique/T1112), [T1113](https://intel.threadlinqs.com/technique/T1113), [T1114.001](https://intel.threadlinqs.com/technique/T1114.001), [T1115](https://intel.threadlinqs.com/technique/T1115), [T1119](https://intel.threadlinqs.com/technique/T1119), [T1123](https://intel.threadlinqs.com/technique/T1123), [T1133](https://intel.threadlinqs.com/technique/T1133), [T1135](https://intel.threadlinqs.com/technique/T1135), [T1140](https://intel.threadlinqs.com/technique/T1140), [T1185](https://intel.threadlinqs.com/technique/T1185), [T1187](https://intel.threadlinqs.com/technique/T1187), [T1189](https://intel.threadlinqs.com/technique/T1189), [T1190](https://intel.threadlinqs.com/technique/T1190), [T1195](https://intel.threadlinqs.com/technique/T1195), [T1195.001](https://intel.threadlinqs.com/technique/T1195.001), [T1203](https://intel.threadlinqs.com/technique/T1203), [T1204](https://intel.threadlinqs.com/technique/T1204), [T1204.001](https://intel.threadlinqs.com/technique/T1204.001), [T1204.002](https://intel.threadlinqs.com/technique/T1204.002), [T1204.004](https://intel.threadlinqs.com/technique/T1204.004), [T1211](https://intel.threadlinqs.com/technique/T1211), [T1213](https://intel.threadlinqs.com/technique/T1213), [T1218](https://intel.threadlinqs.com/technique/T1218), [T1218.011](https://intel.threadlinqs.com/technique/T1218.011), [T1219](https://intel.threadlinqs.com/technique/T1219), [T1222](https://intel.threadlinqs.com/technique/T1222), [T1484.001](https://intel.threadlinqs.com/technique/T1484.001), [T1485](https://intel.threadlinqs.com/technique/T1485), [T1490](https://intel.threadlinqs.com/technique/T1490), [T1495](https://intel.threadlinqs.com/technique/T1495), [T1496](https://intel.threadlinqs.com/technique/T1496), [T1497](https://intel.threadlinqs.com/technique/T1497), [T1497.001](https://intel.threadlinqs.com/technique/T1497.001), [T1497.003](https://intel.threadlinqs.com/technique/T1497.003), [T1499.004](https://intel.threadlinqs.com/technique/T1499.004), [T1505.003](https://intel.threadlinqs.com/technique/T1505.003), [T1518](https://intel.threadlinqs.com/technique/T1518), [T1518.001](https://intel.threadlinqs.com/technique/T1518.001), [T1528](https://intel.threadlinqs.com/technique/T1528), [T1531](https://intel.threadlinqs.com/technique/T1531), [T1539](https://intel.threadlinqs.com/technique/T1539), T1542.001, [T1543](https://intel.threadlinqs.com/technique/T1543), [T1543.004](https://intel.threadlinqs.com/technique/T1543.004), [T1546](https://intel.threadlinqs.com/technique/T1546), [T1547](https://intel.threadlinqs.com/technique/T1547), [T1547.001](https://intel.threadlinqs.com/technique/T1547.001), [T1547.006](https://intel.threadlinqs.com/technique/T1547.006), [T1547.009](https://intel.threadlinqs.com/technique/T1547.009), T1547.015, [T1548](https://intel.threadlinqs.com/technique/T1548), [T1548.003](https://intel.threadlinqs.com/technique/T1548.003), T1548.004, [T1550.001](https://intel.threadlinqs.com/technique/T1550.001), [T1550.004](https://intel.threadlinqs.com/technique/T1550.004), [T1552](https://intel.threadlinqs.com/technique/T1552), [T1552.001](https://intel.threadlinqs.com/technique/T1552.001), [T1553](https://intel.threadlinqs.com/technique/T1553), [T1553.001](https://intel.threadlinqs.com/technique/T1553.001), [T1553.002](https://intel.threadlinqs.com/technique/T1553.002), [T1553.006](https://intel.threadlinqs.com/technique/T1553.006), [T1554](https://intel.threadlinqs.com/technique/T1554), [T1555](https://intel.threadlinqs.com/technique/T1555), [T1555.001](https://intel.threadlinqs.com/technique/T1555.001), [T1555.003](https://intel.threadlinqs.com/technique/T1555.003), [T1556](https://intel.threadlinqs.com/technique/T1556), [T1557](https://intel.threadlinqs.com/technique/T1557), [T1560](https://intel.threadlinqs.com/technique/T1560), T1562.001, [T1564.001](https://intel.threadlinqs.com/technique/T1564.001), [T1565.001](https://intel.threadlinqs.com/technique/T1565.001), [T1566](https://intel.threadlinqs.com/technique/T1566), [T1566.001](https://intel.threadlinqs.com/technique/T1566.001), [T1566.002](https://intel.threadlinqs.com/technique/T1566.002), [T1566.003](https://intel.threadlinqs.com/technique/T1566.003), [T1566.004](https://intel.threadlinqs.com/technique/T1566.004), [T1567](https://intel.threadlinqs.com/technique/T1567), [T1567.002](https://intel.threadlinqs.com/technique/T1567.002), [T1568](https://intel.threadlinqs.com/technique/T1568), [T1571](https://intel.threadlinqs.com/technique/T1571), [T1572](https://intel.threadlinqs.com/technique/T1572), [T1573](https://intel.threadlinqs.com/technique/T1573), [T1573.001](https://intel.threadlinqs.com/technique/T1573.001), [T1574.001](https://intel.threadlinqs.com/technique/T1574.001), T1574.002, [T1583](https://intel.threadlinqs.com/technique/T1583), [T1583.001](https://intel.threadlinqs.com/technique/T1583.001), [T1583.006](https://intel.threadlinqs.com/technique/T1583.006), [T1584](https://intel.threadlinqs.com/technique/T1584), [T1584.004](https://intel.threadlinqs.com/technique/T1584.004), [T1585](https://intel.threadlinqs.com/technique/T1585), [T1585.001](https://intel.threadlinqs.com/technique/T1585.001), [T1585.002](https://intel.threadlinqs.com/technique/T1585.002), [T1587](https://intel.threadlinqs.com/technique/T1587), [T1587.001](https://intel.threadlinqs.com/technique/T1587.001), [T1587.004](https://intel.threadlinqs.com/technique/T1587.004), [T1588](https://intel.threadlinqs.com/technique/T1588), [T1588.002](https://intel.threadlinqs.com/technique/T1588.002), T1588.004, [T1588.005](https://intel.threadlinqs.com/technique/T1588.005), [T1588.006](https://intel.threadlinqs.com/technique/T1588.006), [T1588.007](https://intel.threadlinqs.com/technique/T1588.007), [T1589](https://intel.threadlinqs.com/technique/T1589), [T1589.001](https://intel.threadlinqs.com/technique/T1589.001), [T1591.004](https://intel.threadlinqs.com/technique/T1591.004), [T1592](https://intel.threadlinqs.com/technique/T1592), [T1592.002](https://intel.threadlinqs.com/technique/T1592.002), [T1593.001](https://intel.threadlinqs.com/technique/T1593.001), [T1595.002](https://intel.threadlinqs.com/technique/T1595.002), [T1601](https://intel.threadlinqs.com/technique/T1601), [T1601.001](https://intel.threadlinqs.com/technique/T1601.001), [T1608](https://intel.threadlinqs.com/technique/T1608), [T1608.001](https://intel.threadlinqs.com/technique/T1608.001), [T1614](https://intel.threadlinqs.com/technique/T1614), [T1614.001](https://intel.threadlinqs.com/technique/T1614.001), [T1620](https://intel.threadlinqs.com/technique/T1620), [T1621](https://intel.threadlinqs.com/technique/T1621), [T1622](https://intel.threadlinqs.com/technique/T1622), [T1650](https://intel.threadlinqs.com/technique/T1650), [T1657](https://intel.threadlinqs.com/technique/T1657), T1658, T1664, [T1684.001](https://intel.threadlinqs.com/technique/T1684.001), [T1685](https://intel.threadlinqs.com/technique/T1685)

## Threat actors

[TheHatman](https://intel.threadlinqs.com/actor/TheHatman), [Chaos](https://intel.threadlinqs.com/actor/Chaos), [CORDIAL SPIDER](https://intel.threadlinqs.com/actor/CORDIAL%20SPIDER), [Cavern Manticore](https://intel.threadlinqs.com/actor/Cavern%20Manticore), [LenAI](https://intel.threadlinqs.com/actor/LenAI), [UNC6353](https://intel.threadlinqs.com/actor/UNC6353)

Nation-state attribution: China, Iran, Russia / China, Russia

Threat categories: VULNERABILITY, PHISHING, DATA_BREACH, MALWARE, RANSOMWARE, ZERO_DAY

## Severity breakdown

- critical: 5
- high: 11
- medium: 4
- low: 0

## Indicator & detection coverage

Counts only; indicator values require Red and above, detection rule text requires Blue and above.

- Indicators of compromise: 465 (network 139, file 112, entity 56, behavioral 46, infrastructure 44, tool 29, malware 22, package 15, technique 2)
- New detection rules: 180 (100% of the day’s threats covered)

## More editions

- Previous: [2026-08-16](https://intel.threadlinqs.com/debrief/2026-08-16)
- Next: [2026-08-20](https://intel.threadlinqs.com/debrief/2026-08-20)
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Canonical: https://intel.threadlinqs.com/debrief/2026-08-17