CVE-2024-49039: Microsoft Windows Task Scheduler Privilege Escalation Vulnerability
First published: Tue Nov 12 2024(Updated: )
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.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows 10 1507 | <10.0.10240.20826 | |
| Microsoft Windows 10 1507 | <10.0.10240.20826 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7515 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7515 | |
| Microsoft Windows 10 1809 | <10.0.17763.6532 | |
| Microsoft Windows 10 1809 | <10.0.17763.6532 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5131 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5131 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5131 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5131 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5131 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5131 | |
| Microsoft Windows 11 22h2 | <10.0.22621.4460 | |
| Microsoft Windows 11 22h2 | <10.0.22621.4460 | |
| Microsoft Windows 11 23h2 | <10.0.22631.4460 | |
| Microsoft Windows 11 23h2 | <10.0.22631.4460 | |
| Microsoft Windows 11 Home Edition | <10.0.26100.2314 | |
| Microsoft Windows 11 Home Edition | <10.0.26100.2314 | |
| Microsoft Windows Server 2016 | <10.0.14393.7515 | |
| Microsoft Windows Server 2019 | <10.0.17763.6532 | |
| Microsoft Windows Server 2022 | <10.0.20348.2849 | |
| Microsoft Windows Server 2022 23H2 | <10.0.25398.1251 | |
| Microsoft Windows Server 2025 | <10.0.26100.2314 |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49039 (Advisory)
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039
- https://nvd.nist.gov/vuln/detail/CVE-2024-49039
- https://www.theregister.com/2024/11/13/november_patch_tuesday/
- https://www.bleepingcomputer.com/news/security/firefox-and-windows-zero-days-exploited-by-russian-romcom-hackers/
- https://www.theregister.com/2024/12/01/interpol_cybercrime_busting/
Frequently Asked Questions
What is the severity of CVE-2024-49039?
CVE-2024-49039 is classified as a privilege escalation vulnerability.
How do I fix CVE-2024-49039?
To fix CVE-2024-49039, apply the latest security updates and patches provided by Microsoft for your affected Windows version.
Which versions of Windows are affected by CVE-2024-49039?
CVE-2024-49039 affects multiple versions of Windows including Windows 10 and Windows 11, across various builds.
Can CVE-2024-49039 be exploited remotely?
No, CVE-2024-49039 requires local access to exploit the privilege escalation vulnerability.
What kind of attacks can occur due to CVE-2024-49039?
CVE-2024-49039 can allow an attacker to escalate privileges and access restricted functionality within the Windows operating system.
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