CVE-2025-26636 — Processor Optimization Removal or Modification of Security-critical Code in Microsoft Windows 11 Version 24h2

CWE-1037 — Processor Optimization Removal or Modification of Security-critical Code3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.4%
top 36.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Microsoft Windows 11 Version 24h2Microsoft Windows Server 2025Microsoft Windows 11 24h2+2 more
Timeline
PublishedJul 8

Description

Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages6 packages

▶NVDmicrosoft/windows< 10.0.26100.4652
▶NVDmicrosoft/windows_11_24h2< 10.0.26100.4652
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.4652
▶CVEListV5microsoft/windows_11_version_24h210.0.26100.0 — 10.0.26100.4652

🔴Vulnerability Details

1
GHSA
GHSA-fr45-pxw5-5x8j: Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information local↗2025-07-08
▶

📋Vendor Advisories

1
Microsoft
Windows Kernel Information Disclosure Vulnerability↗2025-07-08
▶
CVE-2025-26636 — Microsoft vulnerability | cvebase