CVE-2026-54120 Microsoft Surface Remote Code Execution Vulnerability
An authorized attacker can execute arbitrary code remotely via improper input validation in Microsoft Surface Management Services.
- 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-2026-54120?
CVE-2026-54120 is a critical code injection vulnerability in Microsoft Surface Management Services, published on 23 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.
Weakness: CWE-20
Which versions are affected by CVE-2026-54120?
It affects 1 product.
Products include Microsoft Surface Management Services.
How do I fix CVE-2026-54120?
No fix has been published for CVE-2026-54120 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-54120 being exploited?
There is no known exploitation of CVE-2026-54120 in the wild and no public exploit code.
Sources
Also known as GHSA-p4xg-f7pp-3rcc.