CVE-2021-42288: microsoft windows_10
CVSS: 5.7v3.1MediumModified
Published 10-11-2021Last modified 19-08-2026
Vulnerability summary
CVE-2021-42288 is a medium (CVSS 5.7) vulnerability in microsoft windows_10. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.8% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.71%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-11-2021PublishedVulnerability first disclosed.
- 19-08-2026Last modifiedVulnerability information updated.
Description
Windows Hello Security Feature Bypass Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.7MediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
+0.01 pp
From 0.70% on 21-09-2026
21-09-202621-10-2026
EPSS score0.71%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft11 products
- windows_1020h2 | 21h1 | 1809 | 1909 | 2004
- windows 10 version 1809≥ 10.0.17763.0, < 10.0.17763.2300 | ≥ 10.0.0, < 10.0.17763.2300
- windows 10 version 1909≥ 10.0.0, < 10.0.18363.1916
- windows 10 version 2004≥ 10.0.0, < 10.0.19041.1348
- windows 10 version 20h2≥ 10.0.0, < 10.0.19042.1348
1 vendor · 11 products
References
2 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42288X Refsource MISCX TransferredPatchVendor Advisory