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CVE-2025-59497

Microsoft Defender for Linux

Microsoft CVSS 7 Updated March 13, 2026

Executive Risk Summary

"A time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally, potentially disrupting system security. This vulnerability could be exploited to impact system availability, but the specific target asset and location are not explicitly identified in the provided information."

Operational Audit Arsenal

Target Type Executable
Target Asset msdefender
Standard Path /usr/lib/msdefender

Manual Verification Required

This is a non-Windows asset (Microsoft). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Security service affected

Internal Work Notes

Potential denial of service vulnerability in Microsoft Defender for Linux, requiring patch application to prevent exploitation.

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Intelligence Sources

Related Microsoft Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.