CVE-2026-45647
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.
- Who is affected
- Authorized attackers with access to the system can exploit this vulnerability.
- Urgency
- Remediation is medium urgency due to the potential for privilege escalation.
- Action
- Apply the latest security updates from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-45647: Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerabilitymsrc · 2026-06-09
External references
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