Microsoft Windows Task Scheduler Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-11-12
• Known to be used in ransomware campaigns
• EPSS: 14% chance of exploitation in the next 30 days (higher than 97% of CVEs)

[ Description ]Official description

Windows Task Scheduler Elevation of Privilege Vulnerability

CISA: Microsoft Windows Task Scheduler contains a privilege escalation vulnerability that can allow an attacker-provided, local application to escalate privileges outside of its AppContainer, and access privileged RPC functions.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 Dec 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

• Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49039PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource