CVE-2023-21715

Microsoft Publisher Security Feature Bypass Vulnerability

  • High 7.3
  • Exploited: added to CISA KEV 14 Feb 2023

Description

Microsoft Publisher Security Feature Bypass Vulnerability

Key facts

Published
14 Feb 2023
Last changed
19 Aug 2026
Assigned by
microsoft
KEV added
14 Feb 2023
KEV fix due
7 Mar 2023
EPSS
12.011% likely to be exploited in the next 30 days, higher than 96.199% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.3CVSS 3.1, Highfrom the CNA (microsoft)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MicrosoftMicrosoft 365 Apps for Enterprise
  • 16.0.1 up to but excluding https://aka.ms/OfficeSecurityReleases (affected)

Timeline

  1. 14 Feb 2023 CVE-2023-21715 added to CISA KEV
  2. 14 Feb 2023 Added to the CISA KEV catalogue
  3. 14 Feb 2023 Published

Weakness

References