Patch tracker / CVE reference / CVE-2024-43633
CVE-2024-43633
CVE-2024-43633 is a critical severity Microsoft vulnerability with a CVSS score of 9.8. Its EPSS score puts the probability of exploitation in the next 30 days at 82%. Microsoft has shipped the fix: deploy one of the 3 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
Critical severity Microsoft vulnerability, CVSS 9.8. Fixed by 3 Microsoft security updates.
Risk summary
Updated July 24, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2024-43633
Hyper-V, the hypervisor underpinning virtualization on Windows 11 22H2 and 23H2 systems, has a denial of service flaw here rated Critical 9.8 with an 82 percent EPSS score, one of the highest exploitation probabilities in this entire set. A successful attack could crash the hypervisor and take down every guest VM running on the host at once, a much bigger blast radius than a typical single-service outage. It has not been confirmed exploited or linked to ransomware.
Do this: Patch Hyper-V hosts running Windows 11 22H2 or 23H2 first, since a single exploited host can disrupt every VM it hosts.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2024-43633
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2024-43633
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
Not in the CISA KEV catalog. EPSS exploit probability 82%. CVSS 9.8 (Critical).
This CVE is among the top 10% of tracked Microsoft CVEs by EPSS exploit probability.
Official patch(es) for CVE-2024-43633
High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5046617, KB5046633, KB5046696 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-2024-43633. 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-2024-43633
Is CVE-2024-43633 actively exploited?
It is not currently listed in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score puts the probability of exploitation in the next 30 days at 82%.
What patch fixes CVE-2024-43633?
Microsoft fixed CVE-2024-43633 in KB5046617, KB5046633, KB5046696. Download from the Microsoft Update Catalog, or let Intune, Windows Update, or WSUS deliver it.
Which products are affected by CVE-2024-43633?
Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows Server 2019, Windows Server 2022, Windows Server 2022 (Server Core installation).
Can I ask my own AI about CVE-2024-43633?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2024-43633'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 three times a day (5 AM, 12:30 PM, and 7 PM US Central).
Fixed by the same updates
If you are patching CVE-2024-43633, the same updates also fix these:
Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.