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High severity7.0NVD Advisory· Published Oct 14, 2025· Updated Jun 17, 2026

CVE-2025-59497

CVE-2025-59497

Description

Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.

Affected products

3

Microsoft/Defender for Linuxllm-fuzzy
Microsoft/Defender For Endpointcpe-rescue2 versions
101.0.0+ 1 more
- (no CPE)range: 101.0.0
- cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:linux:*:*range: <101.25032.0010

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497nvdVendor Advisory

News mentions

0

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