CVE-2026-56178

Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.

Score

CVSS 3.1 7.0 High

Status

Analyzed - secure@microsoft.com

Published

2026-07-14

Last modified

2026-10-28

Weaknesses

CWE-367

Affected products

• Defender For Endpoint (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56178