CVE-2026-63517: Microsoft Office Graphics Component Information Disclosure Vulnerability

Published Aug 11, 2026
·
Updated

Microsoft Office Graphics Component Information Disclosure Vulnerability

Other sources

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

Microsoft

Affected Software

12 affected componentsFixes available
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 365 for Mac<16.112.26081010
16.112.26081010
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021<16.112.26081010
16.112.26081010
Microsoft Office LTSC 2021 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2016<16.0.5565.1001
16.0.5565.1001
Microsoft Office LTSC 2024 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2016<16.0.5565.1001
16.0.5565.1001
Microsoft Office LTSC 2024 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2024<16.112.26081010
16.112.26081010
Microsoft Office LTSC 2021 for 32-bit editions<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 https://aka.ms/OfficeSecurityReleases
  2. Upgrade

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

    Fixed in 16.112.26081010
  3. Upgrade

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

    Fixed in 16.0.5565.1001Patch KB5002897

Event History

Aug 11, 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·05:04 PM
Data Sourced
via MITRE·05:04 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-63517?

The severity of CVE-2026-63517 is rated as medium with a score of 5.5.

2

How do I fix CVE-2026-63517?

To fix CVE-2026-63517, ensure that you apply the latest security updates provided by Microsoft for the affected Office applications.

3

What type of vulnerability is CVE-2026-63517?

CVE-2026-63517 is an information disclosure vulnerability resulting from an out-of-bounds read in Microsoft Office.

4

Which software is affected by CVE-2026-63517?

CVE-2026-63517 affects various versions of Microsoft Office, including Microsoft Office 2016, Office 2019, Office 2021, and Microsoft 365 Apps for Enterprise.

5

What can attackers gain from exploiting CVE-2026-63517?

Exploiting CVE-2026-63517 allows an unauthorized attacker to potentially disclose sensitive information locally.

Contact

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