CVE-2026-97001: Microsoft Office Word Remote Code Execution Vulnerability

Published Oct 13, 2026
·
Updated

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Other sources

Microsoft Office Word Remote Code Execution Vulnerability

— Microsoft

Affected Software

9 affected componentsFixes available
Microsoft Office 365 for Mac
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions<16.0.14334.20974
16.0.14334.20974
Microsoft Office LTSC 2024 for 64-bit editions<16.0.17932.21056
16.0.17932.21056
Microsoft Office LTSC 2024 for 32-bit editions<16.0.17932.21056
16.0.17932.21056
Microsoft Office LTSC for Mac 2021
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC 2021 for 32-bit editions<16.0.14334.20974
16.0.14334.20974
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.14334.20974
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in https://aka.ms/OfficeSecurityReleases
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.17932.21056

Event History

Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
DescriptionSeverity

Frequently Asked Questions

1

What access and user interaction does an attacker need?

The vulnerability has a local attack vector and requires user interaction. The attacker does not need privileges before exploitation.

2

Which Microsoft Office deployments are listed as affected?

The affected software list includes Microsoft 365 Apps for Enterprise; Office 365 for Mac; Office LTSC 2021 and 2024 for 32-bit and 64-bit editions; and Office LTSC for Mac 2021 and 2024.

3

What could successful exploitation allow?

Successful exploitation could allow an unauthorized attacker to execute code locally. The listed impact includes high confidentiality, integrity, and availability effects.

Contact

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