CVE-2023-21715 Microsoft Office Publisher Security Feature Bypass Vulnerability

Active exploitation observed

· CISA KEV catalogue

Required action Apply updates per vendor instructions.

Ransomware campaigns Not observed so far

Weakness CWE-863

Description

Microsoft Publisher Security Feature Bypass Vulnerability

Affected products and versions

Product	Affected versions	Fixed in
Microsoft 365 Apps for Enterprise 16.0	16.0.1 → latest	No fix stated

Other CVEs of Microsoft 365 Apps for Enterprise

The 931 CVEs of Microsoft 365 Apps for Enterprise →

CVE-2026-108454 Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network 6.5 Medium CVE-2026-108455 Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network 6.5 Medium CVE-2026-108453 Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network 6.5 Medium CVE-2026-108450 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High