CVE-2024-21357 Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
An attacker can execute arbitrary code remotely via the Windows Pragmatic General Multicast protocol, affecting multiple Windows versions.
- 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-2024-21357?
CVE-2024-21357 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1507, published on 13 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
Weakness: CWE-843
Which versions are affected by CVE-2024-21357?
It affects 14 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h1, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2 and 8 more.
How do I fix CVE-2024-21357?
No fix has been published for CVE-2024-21357 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-21357 being exploited?
There is no known exploitation of CVE-2024-21357 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-7j2m-h9v4-jfx3.