CVE-2023-21715

Microsoft Office: Publisher Security Feature Bypass

As of , CVE-2023-21715 in Microsoft Office is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 14 February 2023
US federal deadline
7 March 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.12Higher than 96% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
No score that dayThe EPSS file of the day CISA listed it has no score for it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: msrc.microsoft.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

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

CISA's description

Microsoft Publisher Security Feature Bypass Vulnerability

The CVE record's description, from microsoft

CVE published
14 February 2023
Assigned by
microsoft
CVSS
7.3 High (CVSS 3.1, from the CNA)
CWE-863
Incorrect Authorization
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Office: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2010-3333Stack-based Buffer OverflowMicrosoft OfficePatch this weekMetasploit module; EPSS 0.89; verified Exploit-DB entry0.89
CVE-2016-3235OLE DLL Side LoadingMicrosoft OfficePatch this weekMetasploit module; verified Exploit-DB entry0.43
CVE-2017-11882Memory CorruptionMicrosoft OfficePatch this weekRansomware use; Metasploit module; EPSS 0.990.99
CVE-2026-21509Security Feature BypassMicrosoft OfficePatch this weekEPSS 0.710.71
CVE-2009-0556PowerPoint Code InjectionMicrosoft OfficePatch this weekEPSS 0.670.67
CVE-2023-23397Outlook Privilege EscalationMicrosoft OfficePatch this weekEPSS 0.970.97
CVE-2009-0563Buffer OverflowMicrosoft OfficePatch this weekEPSS 0.630.63
CVE-2013-1331Buffer OverflowMicrosoft OfficePatch this weekEPSS 0.800.80
CVE-2012-1856MSCOMCTL.OCX Remote Code ExecutionMicrosoft OfficePatch this weekEPSS 0.720.72
CVE-2015-2545Malformed EPS FileMicrosoft OfficePatch this weekEPSS 0.860.86

All 29 entries for Office

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