CVE-2024-43625 — Microsoft Windows VMSwitch Elevation of Privilege Vulnerability

Executive Summary

None

Overview

8.1

CVSS HIGH

Critical

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Elevation of Privilege

Weakness CWE-416: Use After Free

Released Nov 12 2024

Last Updated Nov 12 2024

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.00661 — 0.48511 percentile

NVD CVSS 8.1 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

ATTACK VECTOR

Local

ATTACK COMPLEXITY

High

PRIVILEGES REQUIRED

None

USER INTERACTION

None

SCOPE

Changed

CONFIDENTIALITY

High

INTEGRITY

High

AVAILABILITY

High

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 7.1

EPSS Score

0.00661

probability of exploitation in the next 30 days

0.48511 percentile - updated 2026-08-14

View on FIRST.org

Affected Products

5 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 11 Version 22H2 for ARM64-based Systems	`5046633 (Security Update)`	Critical	Elevation of Privilege	Yes
Windows 11 Version 22H2 for x64-based Systems	`5046633 (Security Update)`	Critical	Elevation of Privilege	Yes
Windows 11 Version 23H2 for ARM64-based Systems	`5046633 (Security Update)`	Critical	Elevation of Privilege	Yes
Windows 11 Version 23H2 for x64-based Systems	`5046633 (Security Update)`	Critical	Elevation of Privilege	Yes
Windows 11 Version 24H2 for ARM64-based Systems 5046617 (Security Update) 5046696 (SecurityHotpatchUpdate) Critical Elevation of Privilege 5044284 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.26100.2314 10.0.26100.2240 Yes None Windows 11 Version 24H2 for x64-based Systems 5046617 (Security Update) 5046696 (SecurityHotpatchUpdate) Critical Elevation of Privilege 5044284 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.26100.2314 10.0.26100.2240 Yes None Windows Server 2022 5046616 (Security Update) 5046698 (SecurityHotpatchUpdate) Critical Elevation of Privilege 5044281 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.2849 10.0.20348.2819 Yes None Windows Server 2022 (Server Core installation) 5046616 (Security Update) 5046698 (SecurityHotpatchUpdate) Critical Elevation of Privilege 5044281 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.2849 10.0.20348.2819 Yes None Windows Server 2022, 23H2 Edition (Server Core installation)	`5046618 (Security Update)`	Critical	Elevation of Privilege	Yes

Patches

2 patches

Article	Type	Restart
`5046633`	Security Update	Yes
`5046618`	Security Update	Yes

Exploits & PoC

No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.

Detection Rules

No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.

Acknowledgments

Henry Wang with Microsoft Offensive Research and Security Engineering (MORSE)

References

MSRC Advisory MITRE NVD