CVE-2026-42981 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	8.1 HIGH	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Windows Releases

Platform

Version

Windows 11

23H2 (arm64, x64)	KB5093998
24H2 (arm64, x64)	KB5094126
25H2 (arm64, x64)	KB5094126
26H1 (arm64, x64)	KB5095051

Windows Server 2022

Server Core	KB5094128
Standard	KB5094128

Windows Server 2025

Server Core	KB5094125
Standard	KB5094125

Common Weakness Enumeration

CWE-191 - Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

Vulnerability Media Exposure

[ENGLISH] Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flaws
Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws and three publicly disclosed zero-day vulnerabilities. [...]
Published: 2026-06-09T13:57:59-04:00

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42981