What’s Vulnerable › Vulnerabilities

CVE-2023-23391: Office for Android Spoofing Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-14 · updated 2026-06-17
• Weakness: CWE-23

Description

Office for Android Spoofing Vulnerability

Affected products

• Microsoft 365 Copilot: 16.0.16026.20172
• Microsoft Office for Android: from 16.0.1 before 16.0.16026.20172 — fixed in 16.0.16026.20172

How to fix

Upgrade to a fixed version: Microsoft Office for Android 16.0.16026.20172. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23391
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23391

Get alerted when CVE-2023-23391 or the next vulnerability affects your stack