Patch tracker / CVE reference / CVE-2024-38226
CVE-2024-38226
CVE-2024-38226 is a high severity Microsoft vulnerability with a CVSS score of 7.3. It is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it in the wild, which makes it a fix-first item. Microsoft has shipped the fix: deploy the update below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
High severity Microsoft vulnerability, CVSS 7.3. Fixed by 1 Microsoft security update.
Risk summary
Updated July 25, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2024-38226
Microsoft Publisher, rarely in the headlines, carried this security feature bypass exploited in the wild and KEV-listed on 2024-09-10. Bypasses in Office applications generally let macro-bearing documents skip protections that would have stopped them. Office 2019 and Office LTSC 2021 installs that include Publisher are the exposed set.
Do this: Patch Office installations that include Publisher, or remove Publisher outright where nobody uses it.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2024-38226
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2024-38226
Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.
Exploitation and severity
Listed in the CISA Known Exploited Vulnerabilities catalog, confirmed exploited in the wild. EPSS exploit probability 2.7%. CVSS 7.3 (High).
This CVE is among the lower half of tracked Microsoft CVEs by EPSS exploit probability, and one of 4 actively-exploited CVEs in September 2024.
Official patch(es) for CVE-2024-38226
Treat as urgent: it is being exploited in the wild (CISA KEV), so patch ahead of items that are not. In Intune or Defender, confirm whether the fixing update KB5002566 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security update below to fix CVE-2024-38226. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.
Affected products
Common questions about CVE-2024-38226
Is CVE-2024-38226 actively exploited?
Yes. CVE-2024-38226 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed. Its EPSS exploit probability is 2.7%.
What patch fixes CVE-2024-38226?
Microsoft fixed CVE-2024-38226 in KB5002566. Download from the Microsoft Update Catalog, or let Intune, Windows Update, or WSUS deliver it.
Which products are affected by CVE-2024-38226?
Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft Office LTSC 2021 for 64-bit editions.
Can I ask my own AI about CVE-2024-38226?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2024-38226's key facts: severity, CVSS, EPSS exploit probability, CISA KEV status, and the fixing KB. Copy it into Claude, ChatGPT, or Copilot for a triage plan; the data is refreshed twice a day (5 AM and 3 PM US Central).
Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.
