Patch tracker / CVE reference / CVE-2024-38253
CVE-2024-38253
CVE-2024-38253 is a high severity Microsoft vulnerability with a CVSS score of 7.8. Its EPSS score puts the probability of exploitation in the next 30 days at 52%. Microsoft has shipped the fix: deploy one of the 4 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
Risk summary
Not in the CISA KEV catalog. EPSS exploit probability 52%. CVSS 7.8 (High).
This CVE is among the top half of tracked Microsoft CVEs by EPSS exploit probability.
The Windows 11 counterpart to the win32k fix shipped for the older branch, affecting Windows 11 21H2 and 22H2 including ARM64 systems, at Critical Severity (CVSS 9.8) with 71 percent EPSS. Same subsystem, same exploitation appeal, newer platform. Windows 11 devices are overwhelmingly interactive endpoints, exactly where win32k bugs get used.
Do this: Ensure Windows 11 21H2 and 22H2 rings take this cumulative update without deferral.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2024-38253
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Official patch(es) for CVE-2024-38253
High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5043055, KB5043067, KB5043076, KB5043080 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security updates below to fix CVE-2024-38253. 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.
Scope and sources
- Affected products
- Fixed by the same updates
- Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.