CVE-2024-49126 Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability
Attackers can achieve remote code execution in the Windows Local Security Authority Subsystem Service due to a use-after-free vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-49126?
CVE-2024-49126 is a high-severity use after free vulnerability in Microsoft Windows 10 1507, published on 10 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability
Which versions are affected by CVE-2024-49126?
It affects 15 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.
How do I fix CVE-2024-49126?
No fix has been published for CVE-2024-49126 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-49126 being exploited?
There is no known exploitation of CVE-2024-49126 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-453g-5mrh-qccr.