Log in / Sign up

Vulnerability details

CVE-2026-34332

Microsoft Windows Server

Windows Kernel-Mode Driver Remote Code Execution Vulnerability

CVSS 3.1
8.0High

Official description

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

CVSS scores

ScoreVersionSourceVector
8.0High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Windows Server 2025 10.0.26100.0 ≤ v < 10.0.26100.32860 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ≤ v < 10.0.26100.32860 CVEProject cvelistV5 (CNA)

References and advisories

1
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-05-12
Last updated
2026-08-10
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

0.51%
Probability of exploitation in 30 days
43.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-416
    Use After Free