CVE-2026-88144: Microsoft Office PowerPoint Remote Code Execution Vulnerability

Published Oct 13, 2026
·
Updated

Microsoft Office PowerPoint Remote Code Execution Vulnerability

Other sources

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

— Microsoft

Affected Software

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

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 16.0.17932.21056
  2. Upgrade

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

    Fixed in 16.0.14334.20974
  3. Upgrade

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

    Fixed in https://aka.ms/OfficeSecurityReleases

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·07:01 PM
Data Sourced
via MITRE·07:01 PM
DescriptionSeverity

Frequently Asked Questions

1

Which deployments are in scope?

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

2

What does an attacker need to exploit this issue?

The attack vector is network-based, requires low attack complexity, and does not require attacker privileges. User interaction is required.

3

What is the likely impact of successful exploitation?

Successful exploitation can allow code execution and is rated as having high impact to confidentiality, integrity, and availability.

4

Can affected status be determined from the listed product names alone?

The provided data identifies affected product families but does not provide affected or fixed version numbers. Systems running one of the listed products should be compared with Microsoft’s advisory information to determine version-specific exposure.

Contact

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