CVE-2026-41089

critical
Published 2026-05-12 · Modified 2026-05-15
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
VIR risk
9.8

Description

Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@microsoft.com — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089

OS impact

OSVersionStatusFixed in
windows windows-affected
windows windowsr2affected
windows windowsaffected10.0.14393.9140

References

CWEs

CWE-121

Verify integrity in audit chain (admin only). AS-IS.