CVE-2026-50398 Windows Media Elevation of Privilege Vulnerability
An authorized attacker can elevate privileges via a race condition in Windows Media components over the network.
- 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-2026-50398?
CVE-2026-50398 is a high-severity vulnerability in Microsoft Windows 11 24h2, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.
Which versions are affected by CVE-2026-50398?
It affects 4 products.
Products include Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows Server 2025.
How do I fix CVE-2026-50398?
No fix has been published for CVE-2026-50398 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-50398 being exploited?
There is no known exploitation of CVE-2026-50398 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 11 24h2
- CVE-2025-60710 Microsoft Windows Link Following
- CVE-2026-54990 Remote Desktop Client Remote Code Execution Vulnerability
- CVE-2025-50165 Windows Graphics Component Remote Code Execution Vulnerability
- CVE-2025-21311 Windows NTLM V1 Elevation of Privilege Vulnerability
- CVE-2026-108463 Windows SmartScreen Security Feature Bypass Vulnerability
Sources
Also known as GHSA-jhr9-h6m6-5482.