CVE-2026-56195: Microsoft Office Information Disclosure Vulnerability

Published Jul 14, 2026
·
Updated

Microsoft Office Information Disclosure Vulnerability

Other sources

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

— Microsoft

Affected Software

27 affected componentsFixes available
Microsoft Office
Microsoft Office 365 for Mac<16.111.26071215
16.111.26071215
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2016<16.0.5561.1000
16.0.5561.1000
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021<16.111.26071215
16.111.26071215
Microsoft Office 2016<16.0.5561.1000
16.0.5561.1000
Microsoft Office LTSC for Mac 2024<16.111.26071215
16.111.26071215
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Microsoft 365 Macos
Microsoft Office 2016
Microsoft Office 2016
Microsoft Office 2019
Microsoft Office 2019
Microsoft Office 2021
Microsoft Office 2021
Microsoft Office 2021 Macos
Microsoft Office 2024
Microsoft Office 2024
Microsoft Office 2024 Macos

Remediation

Patch Available

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56195

Event History

Jul 14, 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
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:09 PM
Data Sourced
via MITRE·05:09 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-56195?

The severity of CVE-2026-56195 is medium with a score of 5.5.

2

How do I fix CVE-2026-56195?

To fix CVE-2026-56195, apply the available patch provided by Microsoft.

3

What software is affected by CVE-2026-56195?

CVE-2026-56195 affects Microsoft Office 2016, Microsoft 365 Apps for Enterprise, Microsoft Office 2019, Microsoft Office 2021, Microsoft Office 2024, and Microsoft Office 365 for Mac.

4

What type of vulnerability is CVE-2026-56195?

CVE-2026-56195 is an information disclosure vulnerability due to an out-of-bounds read.

5

Can CVE-2026-56195 be exploited remotely?

CVE-2026-56195 requires local access to exploit, so it cannot be exploited remotely.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203