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Findings

CVE-2026-26153

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

Published Apr 14, 2026 · updated Oct 14, 2026 · microsoft windows 10 1809

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2026 · NIST NVD

    Detected

    Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

Affected

  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 10 22h2version unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-26153

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-26153

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-26153

    Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

    nvd.nist.gov

References