CVE-2024-38226

Microsoft Publisher: Protection Mechanism Failure

As of , CVE-2024-38226 in Microsoft Publisher is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 10 September 2024
US federal deadline
1 October 202421 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.03Higher than 85% 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 mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

Microsoft Publisher contains a protection mechanism failure vulnerability that allows attacker to bypass Office macro policies used to block untrusted or malicious files.

CISA's description

Microsoft Publisher Security Feature Bypass Vulnerability

The CVE record's description, from microsoft

CVE published
10 September 2024
Assigned by
microsoft
CVSS
7.3 High (CVSS 3.1, from the CNA)
CWE-693
Protection Mechanism Failure
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.

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