CVE-2024-21443: microsoft windows_10_1809 Use After Free
CVSS: 7.3v3.1HighAnalyzed
Published 12-03-2024Last modified 03-05-2025
Vulnerability summary
CVE-2024-21443 is a high (CVSS 7.3) Use After Free vulnerability in microsoft windows_10_1809. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 69.9% of scored vulnerabilities.
CVSS score
7.3/10
010
High · v3.1 (CVE.org)EPSS score
1.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-03-2024PublishedVulnerability first disclosed.
- 03-05-2025Last modifiedVulnerability information updated.
Description
Windows Kernel Elevation of Privilege Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.29%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.29% on 21-09-2026
21-09-202621-10-2026
EPSS score1.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft18 products
- windows_10_1809< 10.0.17763.5576
- windows_10_21h2< 10.0.19044.4170
- windows_10_22h2< 10.0.19045.4170
- windows 10 version 1809≥ 10.0.17763.0, < 10.0.17763.5576 | ≥ 10.0.0, < 10.0.17763.5576
- windows 10 version 21h2≥ 10.0.19043.0, < 10.0.19044.4170
1 vendor · 18 products
References
1 links
msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21443Vendor Advisory