Findings

CVE-2021-27059

Microsoft Office Remote Code Execution Vulnerability

Published Mar 11, 2021 · updated Aug 19, 2026 · microsoft office

Microsoft Office contains an unspecified vulnerability that allows for remote code execution.

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. Mar 11, 2021 · Catalog

    Detected

    Microsoft Office contains an unspecified vulnerability that allows for remote code execution.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Nov 17, 2021 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Aug 19, 2026 · Catalog

    Updated

    Microsoft Office contains an unspecified vulnerability that allows for remote code execution.

Required action

Apply updates per vendor instructions.

CISA due date Nov 17, 2021

Affected

  • cpe microsoft/office2010
  • cpe microsoft/office2013
  • cpe microsoft/office 2016version unspecified
  • vendor Microsoft Officeversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2021-27059

    Microsoft Office contains an unspecified vulnerability that allows for remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-27059

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-27059

    30-day exploitation probability 6.1%

    first.org
  • NIST NVDVulnerability recordCVE-2021-27059

    Microsoft Office Remote Code Execution Vulnerability

    nvd.nist.gov

References