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CVE-2024-38226

Microsoft Publisher Security Feature Bypass Vulnerability

HIGH
7.3
CVSS Score
Published: September 10, 2024 at 04:53 PM UTC
Updated: August 10, 2026 at 04:38 PM UTC
5 products affected across 1 vendorOfficeOffice 2019Office Long Term Servicing Channel

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Severity
HIGH7.3
Exploitation
CISA KEV
Exploit prediction
EPSS 3%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score2.7%

EPSS (Exploit Prediction Scoring System) estimates a 2.7% chance this CVE is exploited in the wild within the next 30 days — higher than 86% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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

Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware Use
Unknown
Added to KEV
Sep 10, 2024
Remediation Due
Oct 1, 2024
760 days overdue
Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226
https://nvd.nist.gov/vuln/detail/CVE-2024-38226

Description

Microsoft Publisher Security Feature Bypass Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Office· Microsoft
95%
19.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
Office 2019· Microsoft
95%
19.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases19.0.0
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
Office Long Term Servicing Channel· Microsoft
95%
16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases2021
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
Publisher· Microsoft
95%
16.0.0 ≤ v < 16.0.5465.100116.0.02016
Affected range stops below 16.0.5465.1001, so it looks safe — our inference, not a vendor statement
Office 2021· Microsoft
60%
16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases16.0.1
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38226

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-693NVD-CWE-noinfo

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