CVE-2025-59497
mediumpriority · track · 19EPSS 0.002 · 11 %ileDEEURUUSEPSS · scored 2026-10-27
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedMicrosoft Defender for Endpoint for Linuxmsrc_csaf
101.25032.0010:Security Update:https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#april-2025-build-101250220002--release-version-3012502200010
https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#april-2025-build-101250220002--release-version-3012502200010
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
- Microsoft Configuration Manager 2403all versionscert_bundDEcpe:/a:microsoft:configuration_manager:2403
- Microsoft Configuration Manager 2409all versionscert_bundDEcpe:/a:microsoft:configuration_manager:2409
- Microsoft Configuration Manager 2503all versionscert_bundDEcpe:/a:microsoft:configuration_manager:2503
- Microsoft Defender for Endpoint for Linuxall versionscert_bundDEcpe:/a:microsoft:defender:for_endpoint_for_linux
- microsoft defender for endpoint< 101.25032.0010nvdUScpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:*:*:*
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2282Microsoft SystemCenter: Mehrere SchwachstellenDeutsch2025-10-14csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Microsoft Defender und Microsoft Configuration Manager ausnutzen, um Administratorrechte zu erlangen und um einen Denial-of-Service-Zustand herbeizuführen.
- msrc_CVE-2025-59497Microsoft Defender for Linux Denial of Service Vulnerability2025-10-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497cnnvd
- https://vigilance.fr/vulnerability/Microsoft-Defender-for-Endpoint-for-Linux-denial-of-service-dated-14-10-2025-48470cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497enisa_euvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497Vendor Advisorynvd
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