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Findings

CVE-2026-23657

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Published Apr 14, 2026 · updated Jun 17, 2026 · microsoft 365 apps

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code 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

    Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Affected

  • cpe microsoft/365 appsversion unspecified
  • cpe microsoft/office long term servicing channel2024

Sources

  • CVE.orgVulnerability recordCVE-2026-23657

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-23657

    Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

    nvd.nist.gov

References