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CVE-2023-21715

HIGH7.3
CISA KEV

Published 2023-02-14 · Updated 2026-08-19 · Source secure@microsoft.com

Summary

CVE-2023-21715 is a high-severity (CVSS 7.3) vulnerability in Microsoft Office. CISA added it to the Known Exploited Vulnerabilities catalog on February 14, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 7, 2023. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

All 390 known-exploited Microsoft vulnerabilities →

Description

Microsoft Publisher Security Feature Bypass Vulnerability

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CWE-863CWE-863

CISA Known-Exploited Vulnerability

Product: Microsoft — Office

Name: Microsoft Office Publisher Security Feature Bypass Vulnerability

Date added: 2023-02-14 · Due: 2023-03-07

Required action: Apply updates per vendor instructions.

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