Exploited vulnerability · CISA KEV
Yes. CVE-2024-49039, Microsoft Windows Task Scheduler Privilege Escalation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 12 Nov 2024, the day it was published. It is known to be used in ransomware campaigns. It affects Microsoft Windows. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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.
| Vendor | Microsoft (391 exploited CVEs in KEV) |
| Product | Windows |
| Vulnerability | Microsoft Windows Task Scheduler Privilege Escalation Vulnerability |
| Weakness | CWE-287 |
| Published | 12 Nov 2024 |
| Added to KEV | 12 Nov 2024 |
| Reported by (CNA) | microsoft |
Yes. CISA added CVE-2024-49039 to the Known Exploited Vulnerabilities catalog on 12 Nov 2024, which means there is reliable evidence of exploitation in the wild.
Yes, CISA lists it as known to be used in ransomware campaigns.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Microsoft's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Windows and watch it for signs of compromise.
Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2024 · Microsoft scorecard · act-now radar.
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