CVE-2024-49039
Microsoft Windows Task Scheduler Privilege Escalation Vulnerability
Microsoft Windows
Windows Task Scheduler Elevation of Privilege Vulnerability
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 12 November 2024. US federal agencies were required to remediate it by 3 December 2024. CISA records this vulnerability as known to be used in ransomware campaigns.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 14.2%, which is higher than 96.5% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Frequently asked questions
Is CVE-2024-49039 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2024-49039.
What does CVE-2024-49039 affect?
CVE-2024-49039 affects Microsoft Windows. Windows Task Scheduler Elevation of Privilege Vulnerability
How severe is CVE-2024-49039?
CVE-2024-49039 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 14.2%, higher than 96.5% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 3 December 2024.
How should organisations respond to CVE-2024-49039?
Apply the vendor patch for Microsoft Windows as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.