CVE-2021-1679: microsoft windows_10
CVSS: 6.5v3.1MediumModified
Published 12-01-2021Last modified 08-10-2024
Vulnerability summary
CVE-2021-1679 is a medium (CVSS 6.5) vulnerability in microsoft windows_10. EPSS estimates a 3.74% chance of exploitation in the next 30 days, higher than 89.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
3.74%
0%100%
Low · +0.28 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-01-2021PublishedVulnerability first disclosed.
- 08-10-2024Last modifiedVulnerability information updated.
Description
Windows CryptoAPI Denial of Service Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.74%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.28 pp
From 3.47% on 19-09-2026
19-09-202619-10-2026
EPSS score3.74%
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
Microsoft29 products
- windows_10na | 20h2 | 1607 | 1803 | 1809 | 1909 | 2004
- windows 10 version 1507≥ 10.0.0, < publication
- windows 10 version 1607≥ 10.0.0, < publication
- windows 10 version 1803≥ 10.0.0, < publication
- windows 10 version 1809≥ 10.0.0, < publication
1 vendor · 29 products
References
2 links- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1679Vendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1679X Refsource MISCX Transferred