CVE-2026-54120 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-54120HIGH

Microsoft Surface Remote Code Execution Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  U  H  H  H    8.8   .0071   50.7     —

AFFECTED
  Product                      Versions  Fixed
  Surface Management Services  - –       —

TIMELINE
  Jun 11  Reserved by microsoft
  Jul 23  Published (CNA: microsoft)
  Jul 24  RESCORED — CVE-2026-54120 (Microsoft Surface Management Services). CVSS 9.9 → 8.8 (NVD).

CWE-20 · CNA: microsoft · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

Improper input validation in Microsoft Surface allows an authorized attacker to execute code over a network.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 11, 2026	Reserved	Reserved by microsoft
July 23, 2026	Published	Published (CNA: microsoft)
July 24, 2026	RESCORED	RESCORED — CVE-2026-54120 (Microsoft Surface Management Services). CVSS 9.9 → 8.8 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Surface Management Services	—	-	—

Weaknesses

CWE-20

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54120 [vendor-advisory, patch]

Authoritative record: CVE-2026-54120 at cve.org

Vendors: microsoft

Weaknesses: CWE-20

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-54120 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.