CVE-2025-26636: microsoft windows_11_24h2
CVSS: 5.5v3.1MediumAnalyzed
Published 08-07-2025Last modified 13-02-2026
Vulnerability summary
CVE-2025-26636 is a medium (CVSS 5.5) vulnerability in microsoft windows_11_24h2. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.49%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-07-2025PublishedVulnerability first disclosed.
- 13-02-2026Last modifiedVulnerability information updated.
Description
Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
+0.07 pp
From 0.42% on 21-09-2026
21-09-202621-10-2026
EPSS score0.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- windows_11_24h2< 10.0.26100.4652
- windows 11 version 24h2≥ 10.0.26100.0, < 10.0.26100.4652
- windows server 2025≥ 10.0.26100.0, < 10.0.26100.4652 | < 10.0.26100.4652
- windows server 2025 (server core installation)≥ 10.0.26100.0, < 10.0.26100.4652
1 vendor · 4 products