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Microsoft Security Response CenterCVE-2025-54518

AMD: CVE-2025-54518 CPU OP Cache Corruption

This vulnerability was found and addressed by AMD. We are documenting it in the Security Update Guide to encourage customers to install the May 2026 version of Windows as soon as possible. The vulnerability assigned to this CVE is in certain processor models offered by AMD. The mitigation for this vulnerability requires a Windows update. This CVE is being documented in the Security Update Guide to announce that the latest builds of Windows enable the mitigation and provide protection against the vulnerability. Please see the following for more information: AMD-SB-7052

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HighCVSS not listedHigh severity
Scope

What the vendor says is affected

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2025
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows Server 2016

Versions the vendor lists as fixed

  • 10.0.17763.8755
  • 10.0.20348.5139
  • 10.0.20348.4830
  • 10.0.19044.7291
  • 10.0.19045.7417
  • 10.0.26100.32860
  • 10.0.26100.32772
  • 10.0.26200.8457
  • 10.0.26200.8390
  • 10.0.22631.7079
  • 10.0.22631.7219
  • 10.0.25398.2330
  • 10.0.26100.8457
  • 10.0.26100.8390
  • 10.0.14393.9140
  • 10.0.28000.2113
Next step

What the vendor recommends

Install KB5087538. Install KB5087545. Install KB5078737. Install KB5087544. Install KB5094127. Install KB5087539. Install KB5087423. Install KB5089549. Install KB5089466. Install KB5087420. Install KB5093998. Install KB5087541. Install KB5087537. Install KB5089548.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2025-54518View CVSS, KEV, EPSS, and threat context
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