CVE-2026-54120
Microsoft Surface Remote Code Execution Vulnerability
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.9
Microsoft Surface Remote Code Execution Vulnerability
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.
- Record
CVE-2026-54120- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-48453
9.9
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.
- Record
EUVD-2026-48453- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p4xg-f7pp-3rcc
9.9
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over...
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.
- Record
GHSA-p4xg-f7pp-3rcc- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
9.9
Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.
- Record
CVE-2026-54120- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-54120 is a critical vulnerability (CVSS 9.9) in Microsoft Surface Management Services, published July 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.96%, the 61st percentile. No source names a fixed version.