CVE-2026-72976: Microsoft Office Word Information Disclosure Vulnerability

Published Sep 8, 2026
·
Updated

Microsoft Office Word Information Disclosure Vulnerability

Other sources

Out-of-bounds read in Microsoft Office Word allows an authorized attacker to disclose information locally.

Microsoft

Affected Software

13 affected componentsFixes available
Microsoft Word 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Office 2019 for 64-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft Office 365 for Mac
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC 2024 for 64-bit editions<16.0.17932.20976
16.0.17932.20976
Microsoft Word 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 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 Office 2019 for 32-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft Office LTSC for Mac 2021
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

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 KB5002923
  2. Upgrade

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

    Fixed in 16.0.10417.20207
  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 16.0.20326.20138

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·05:17 PM
Data Sourced
via MITRE·05:17 PM
DescriptionSeverity

Frequently Asked Questions

1

Who is exposed to this issue?

Systems running Microsoft Word 2016, Microsoft 365 Apps for Enterprise, Office 2019 for 64-bit editions, Office 365 for Mac, Office LTSC for Mac 2024, Office LTSC 2024 for 64-bit editions, or Office LTSC 2021 for 32-bit or 64-bit editions are listed as affected.

2

What does an attacker need to exploit it?

The attacker must be authorized and have local access. Exploitation also requires user interaction.

3

What is the impact if exploitation succeeds?

Successful exploitation can disclose information through an out-of-bounds read. The provided severity vector indicates confidentiality impact, with no integrity or availability impact listed.

Contact

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