Findings

CVE-2026-35420

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Published May 12, 2026 · updated Jun 17, 2026 · microsoft windows server 2012

Heap-based buffer overflow in Windows Kernel 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. May 12, 2026 · NIST NVD

    Detected

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Affected

  • cpe microsoft/windows server 2012version unspecified
  • cpe microsoft/windows server 2012r2
  • cpe microsoft/windows server 2016version unspecified
  • cpe microsoft/windows server 2019version unspecified
  • cpe microsoft/windows server 2022version unspecified
  • cpe microsoft/windows server 2022 23h2version unspecified
  • cpe microsoft/windows server 2025version unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-35420

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-35420

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

    nvd.nist.gov

References