Threat Intelligence / CVE / CVE-2026-41096

CVE-2026-41096 — Microsoft Windows 11 version 23H2

CVSS v3.1 9.8 (CRITICAL) · EPSS 0.0% (higher than 12.4% of all scored CVEs) · Priority 5.4/10 · Published 2026-05-12

As of 2026-05-26, CVE-2026-41096 is a CRITICAL-severity vulnerability in Microsoft Windows 11 version 23H2, CVSS v3.1 9.8, EPSS 0.0% (12.4th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-41096, most recently “Microsoft's MDASH AI Scanning Harness Uncovers 16 Windows CVEs, Including Four Critical RCE Flaws in TCP/IP, IKEv2, Netlogon, and DNS”.

Last updated: 2026-05-26

What is CVE-2026-41096?

Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.

The record classifies CVE-2026-41096 under weakness class CWE-122. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 8 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 123 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS (FIRST): 0.0% probability of exploitation in the next 30 days, higher than 12.4% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 5.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-05-12, last modified 2026-05-26

Is CVE-2026-41096 being exploited?

It currently carries a trending score of 8 in the Threadlinqs vulnerability feed.

Affected products and versions

Microsoft: Windows 11 version 23H2, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, Windows 11 version 26H1, Windows Server 2022, 23H2 Edition (Server Core installation), Windows Server 2025, Windows Server 2025 (Server Core installation)

How to fix CVE-2026-41096

No vendor patch reference has been recorded for CVE-2026-41096 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-41096

2 tracked threats in the Threadlinqs corpus reference CVE-2026-41096, either in the campaign’s CVE list or as an indicator on the campaign record.

Microsoft's MDASH AI Scanning Harness Uncovers 16 Windows CVEs, Including Four Critical RCE Flaws in TCP/IP, IKEv2, Netlogon, and DNS — CRITICAL · 2026-07-10
Microsoft May 2026 Patch Tuesday — 137 CVEs, 31 Critical (16 RCE) Including CVE-2026-41089 Pre-Auth Netlogon Stack Overflow on Domain Controllers — HIGH · 2026-05-12

Sources

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

msrc.microsoft.com

Full detection coverage & IOCs for threats exploiting CVE-2026-41096 are available via the Threadlinqs MCP server (Purple tier). View plans →

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