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High 8.0Published May 12, 2026

CVE-2026-34332Windows Kernel-Mode Driver Remote Code Execution Vulnerability

Updated under an hour ago ()

Does this affect you?

It affects Microsoft Windows Server 2025. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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

CVSS
8.0 HIGH (v3.1, CNA)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
Weakness (CWE)
CWE-416
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
microsoft
NVD analysis
Analyzed
Record last updated
Aug 10, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Microsoft Windows Server 2025
microsoft:windows_server_2025 (from the name)
from 10.0.26100.0 before 10.0.26100.32860
CNA record
microsoft windows_server_2025
microsoft:windows_server_2025
before 10.0.26100.32772
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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