Patch tracker / CVE reference / CVE-2024-43514

CVE-2024-43514

CVE-2024-43514 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 67%. Microsoft has shipped the fix: deploy one of the 11 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

High
7.8
CVSS
67%
EPSS, 30 days
High
Severity

Not in the CISA KEV catalog. EPSS exploit probability 67%. CVSS 7.8 (High).

This CVE is among the top 25% of tracked Microsoft CVEs by EPSS exploit probability.

Senserva AI Opinion for CVE-2024-43514

The Resilient File System driver carries this Critical (CVSS 9.0) elevation of privilege flaw, present on systems from Windows 10 Version 1809 through Windows 11 Version 24H2. EPSS puts exploit probability at 61 percent. ReFS bugs matter even where the file system is unused, because attackers can bring their own crafted volume to trigger the driver.

Do this: Patch across client and server branches, and consider blocking removable-media mounting on servers that never need it.

AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2024-43514

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Patch this cycle
Not confirmed exploited yet, but the 30-day exploit probability is high (EPSS 67%).
Fixed by KB5044273 and 10 more (by build, listed below). Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.
Do this now: Patch in this maintenance window; do not let it slip to the next one.

Official patch(es) for CVE-2024-43514

High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5044273, KB5044277, KB5044280, KB5044281, KB5044284, KB5044285, KB5044286, KB5044288, KB5044293, KB5044342, KB5044343 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-2024-43514. 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.

Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.

New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
Provided as is, without warranty; verify against the vendor advisory before acting. Data notice and terms.