CVE-2024-49039 kev+ ransomware in the critical feed json
Windows Task Scheduler Elevation of Privilege Vulnerability
published 2024-11-12 23 mo ago modified 2026-08-04 3 mo ago also EUVD-2024-43910
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2024-11-12, used in ransomware
- epss
- 14.2%
- EPSS 14.2% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
Windows Task Scheduler Elevation of Privilege Vulnerability
Patch / fix
cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Microsoft Windows Server 2025 10.0.26100.2314
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.2314
- Microsoft Windows 10 Version 1809 10.0.17763.6532
- Microsoft Windows Server 2019 10.0.17763.6532
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.6532
- Microsoft Windows Server 2022 10.0.20348.2849
- Microsoft Windows 10 Version 21H2 10.0.19044.5131
- Microsoft Windows 11 version 22H2 10.0.22621.4460
- Microsoft Windows 10 Version 22H2 10.0.19045.5131
- Microsoft Windows 11 version 22H3 10.0.22631.4460
- Microsoft Windows 11 Version 23H2 10.0.22631.4460
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1251
- Microsoft Windows 11 Version 24H2 10.0.26100.2314
- Microsoft Windows 10 Version 1507 10.0.10240.20826
- Microsoft Windows 10 Version 1607 10.0.14393.7515
- Microsoft Windows Server 2016 10.0.14393.7515
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.7515
Timeline
- CISA SSVC: exploitation active
- 0-day patched (Project Zero)
- Added to CISA KEV
- Published
- CISA patch deadline
Known exploited
- Added
- 23 mo ago
- Patch by
- 2024-12-03 (23 mo ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- Microsoft, Windows
- CISA name
- Microsoft Windows Task Scheduler Privilege Escalation Vulnerability
Zero-day
Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.
- Patched
- 2024-11-12
- Details
- project zero tracker
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
14.18% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2024-49039
vendor-advisory, patch
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-49039
government-resource, us-government-resource
Sources
- CVE List CVE-2024-49039
- NVD CVE-2024-49039
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.