CVE-2021-1693: microsoft windows_10 Improper Privilege Management
CVSS: 7.8v3.1HighModified
Published 12-01-2021Last modified 08-10-2024
Vulnerability summary
CVE-2021-1693 is a high (CVSS 7.8) Improper Privilege Management vulnerability in microsoft windows_10. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.79%
0%100%
Low · +0.01 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 CSC Service Elevation of Privilege Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.79%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
+0.01 pp
From 0.78% on 18-09-2026
18-09-202618-10-2026
EPSS score0.79%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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-2021-1693Vendor Advisory- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1693X Refsource MISCX Transferred