Threat Intelligence / CVE / CVE-2025-14174

CVE-2025-14174 — Google Chrome

CISA KEV

CVSS v3.1 8.8 (HIGH) · EPSS 0.9% (higher than 75.8% of all scored CVEs) · Priority 9/10 · Published 2025-12-12

As of 2025-12-15, CVE-2025-14174 is a HIGH-severity vulnerability in Google Chrome, CVSS v3.1 8.8, EPSS 0.9% (75.8th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-12-12), with a US federal remediation deadline of 2026-01-02. Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2025-14174, most recently “DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors (CVE-2026-20700, CVE-2025-43529, CVE-2025-31277)”.

Last updated: 2025-12-15

What is CVE-2025-14174?

Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

The record classifies CVE-2025-14174 under weakness classes CWE-787, CWE-119. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 12 affected-product entries are recorded, across 4 vendors, listed below. The identifier was first published 275 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (FIRST): 0.9% probability of exploitation in the next 30 days, higher than 75.8% of all scored CVEs
CISA KEV: Listed since 2025-12-12, federal remediation deadline 2026-01-02
Threadlinqs priority: 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published: 2025-12-12, last modified 2025-12-15

Is CVE-2025-14174 being exploited?

CISA added CVE-2025-14174 to the Known Exploited Vulnerabilities catalog on 2025-12-12, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-01-02 under BOD 22-01. It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

Affected products and versions

Google: Chrome
Apple: Macos, Safari, Ipados, Iphone Os, Tvos, Visionos, Watchos
Linux: Kernel
Microsoft: Windows, Edge Chromium

Showing 11 of 12 recorded product entries.

How to fix CVE-2025-14174

The record marks a vendor fix as available for CVE-2025-14174. Patch reference: https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html. Because CVE-2025-14174 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-01-02. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2025-14174

2 tracked threats in the Threadlinqs corpus reference CVE-2025-14174, either in the campaign’s CVE list or as an indicator on the campaign record.

DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors (CVE-2026-20700, CVE-2025-43529, CVE-2025-31277) — CRITICAL · 2026-03-18
Apple Zero-Day CVE-2026-20700: Memory Corruption Enabling Arbitrary Code Execution — Google TAG-Discovered 'Extremely Sophisticated' Targeted Attack — CRITICAL · 2026-02-12

Sources

Seeded from kev and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2025-14174 are available via the Threadlinqs MCP server (Purple tier). View plans →

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