CVE-2026-69678: Microsoft Office PowerPoint Remote Code Execution Vulnerability

Published Sep 8, 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

14 affected componentsFixes available
Microsoft Microsoft Office PowerPoint
Microsoft PowerPoint 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Office 365 for Mac
Microsoft PowerPoint 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Office LTSC 2024 for 32-bit editions<16.0.17932.20976
16.0.17932.20976
Microsoft 365 Apps for Enterprise<16.0.20326.20138
16.0.20326.20138
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft Office LTSC 2021 for 32-bit editions<16.0.14334.20906
16.0.14334.20906
Microsoft Office 2019 for 32-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft Office LTSC 2021 for 64-bit editions<16.0.14334.20906
16.0.14334.20906
Microsoft Office LTSC 2024 for 64-bit editions<16.0.17932.20976
16.0.17932.20976
Microsoft Office 2019 for 64-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft 365 Apps for Enterprise<16.0.20326.20138
16.0.20326.20138

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 16.0.5569.1000Patch KB5002920
  2. Upgrade

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

    Fixed in 16.0.20326.20138
  3. Upgrade

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

    Fixed in 16.0.17932.20976
  4. Upgrade

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

    Fixed in 16.0.14334.20906
  5. Upgrade

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

    Fixed in 16.0.10417.20207

Event History

Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:12 PM
Data Sourced
via MITRE·05:12 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What must an attacker do to exploit this vulnerability?

The attacker must cause a user to interact with malicious PowerPoint content. The attack vector is network-based, requires no attacker privileges, and has low attack complexity.

2

Which deployments should be considered in scope?

The affected software list includes PowerPoint 2016, Microsoft 365 Apps for Enterprise, Microsoft Office PowerPoint, Office 365 for Mac, Office LTSC 2021 and 2024 32-bit editions, and Office LTSC for Mac 2021 and 2024. Both Windows and Mac Office deployments are represented.

3

What could successful exploitation allow?

Successful exploitation could allow code execution with high impact to confidentiality, integrity, and availability. The flaw is classified as a use-after-free vulnerability in Microsoft PowerPoint.

Contact

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