CVE-2023-24938 Windows CryptoAPI Denial of Service Vulnerability
An attacker can cause a denial of service in Windows CryptoAPI due to a null pointer dereference, affecting multiple Windows versions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-24938?
CVE-2023-24938 is a medium-severity vulnerability in Microsoft Windows 10 1809, published on 13 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Windows CryptoAPI Denial of Service Vulnerability
Weakness: CWE-476
Which versions are affected by CVE-2023-24938?
It affects 7 products.
Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11 22h2, Microsoft Windows Server 2019 and 1 more.
How do I fix CVE-2023-24938?
No fix has been published for CVE-2023-24938 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-24938 being exploited?
There is no known exploitation of CVE-2023-24938 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1809
- CVE-2024-29988 Microsoft SmartScreen Prompt Security Feature Bypass
- CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass
- CVE-2025-62221 Microsoft Windows Use After Free
- CVE-2025-30400 Microsoft Windows DWM Core Library Use-After-Free
- CVE-2024-21338 Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control
Sources
Also known as GHSA-hx99-5682-3hfr.