CVEs / CVE-2024-49039
CVE-2024-49039: Microsoft Windows Task Scheduler Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 12 Nov 2024
- high 8.8 CVSS 3.1 (from the CNA)
- EPSS 14.1% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
Description
Windows Task Scheduler Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows Server 2025 | from 10.0.26100.0, before 10.0.26100.2314 | 10.0.26100.2314 |
| Microsoft Windows Server 2025 (Server Core installation) | from 10.0.26100.0, before 10.0.26100.2314 | 10.0.26100.2314 |
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.6532 | 10.0.17763.6532 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.6532 | 10.0.17763.6532 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.6532 | 10.0.17763.6532 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.2849 | 10.0.20348.2849 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.5131 | 10.0.19044.5131 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.4460 | 10.0.22621.4460 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.5131 | 10.0.19045.5131 |
| Microsoft Windows 11 version 22H3 | from 10.0.22631.0, before 10.0.22631.4460 | 10.0.22631.4460 |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0, before 10.0.22631.4460 | 10.0.22631.4460 |
| Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) | from 10.0.25398.0, before 10.0.25398.1251 | 10.0.25398.1251 |
| Microsoft Windows 11 Version 24H2 | from 10.0.26100.0, before 10.0.26100.2314 | 10.0.26100.2314 |
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.20826 | 10.0.10240.20826 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.7515 | 10.0.14393.7515 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.7515 | 10.0.14393.7515 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.7515 | 10.0.14393.7515 |
Exploitation
| In CISA KEV since | 12 Nov 2024 |
|---|---|
| Due date for US federal agencies | 3 Dec 2024 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-287 |
References
- CVE-2024-49039 on NVD
- CVE-2024-49039 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49039 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-49039 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.