CVE-2026-69742: Microsoft Office Publisher Remote Code Execution Vulnerability

Published Sep 8, 2026
·
Updated

Integer overflow or wraparound in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.

Other sources

Microsoft Office Publisher Remote Code Execution Vulnerability

Microsoft

Affected Software

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

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 KB5002644
  2. Upgrade

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

    Fixed in 16.0.14334.20906
  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 16.0.20326.20138
  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
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:13 PM
Data Sourced
via MITRE·05:13 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Does exploitation require the attacker to have an account or prior privileges?

No. The CVSS vector indicates no privileges are required (PR:N), so an unauthorized attacker can attempt exploitation.

2

Is user involvement required for exploitation?

Yes. The CVSS vector indicates user interaction is required (UI:R). The available information does not specify the exact interaction needed.

3

Which Microsoft Publisher deployments are listed as affected?

The affected software list includes Microsoft Publisher 2016; Microsoft 365 Apps for Enterprise; Office 2019 for 32-bit and 64-bit editions; Office LTSC 2021 for 32-bit and 64-bit editions; and Office LTSC 2024 for 32-bit and 64-bit editions.

Contact

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