CVE-2025-29828 Windows Schannel Remote Code Execution Vulnerability
An unauthorized attacker can execute code over a network due to a memory leak in Windows Cryptographic Services.
- 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-2025-29828?
CVE-2025-29828 is a high-severity memory corruption vulnerability in Microsoft Windows 11 22h2, published on 10 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.
Weakness: CWE-401
Which versions are affected by CVE-2025-29828?
It affects 6 products.
Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2, Microsoft Windows Server 2025.
How do I fix CVE-2025-29828?
No fix has been published for CVE-2025-29828 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-2025-29828 being exploited?
There is no known exploitation of CVE-2025-29828 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 11 22h2
- CVE-2024-49117 Windows Hyper-V Remote Code Execution Vulnerability
- CVE-2024-21435 Windows OLE Remote Code Execution Vulnerability
- CVE-2025-24084 Windows Subsystem for Linux (WSL2) Kernel Remote Code Execution Vulnerability
- CVE-2025-33054 Remote Desktop Spoofing Vulnerability
- CVE-2024-43625 Microsoft Windows VMSwitch Elevation of Privilege Vulnerability
Sources
Also known as GHSA-vjfq-34vr-xpmm.