CVE-2023-21715

Microsoft Office — Microsoft Office Publisher Security Feature Bypass Vulnerability
⚠️ CVSS 3.1  7.3 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Microsoft Office Publisher contains a security feature bypass vulnerability that allows for a local, authenticated attack on a targeted system.

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21715; https://nvd.nist.gov/vuln/detail/CVE-2023-21715

Key Details

PropertyValue
CVE ID CVE-2023-21715
Vendor / Product Microsoft — Office
NVD Published2023-02-14
NVD Last Modified2025-10-30
CVSS 3.1 Score7.3
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-863
CISA KEV Added2023-02-14
CISA KEV Deadline2023-03-07
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2023-03-07. Apply updates per vendor instructions.

Timeline

DateEvent
2023-02-14Added to CISA Known Exploited Vulnerabilities catalog
2023-03-07CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2023-21715 Vulnerability Database
CISA KEV Catalog Entry US Government