CVE-2021-27093: Windows Kernel Information Disclosure Vulnerability
Modified
Published 13-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-27093 is a medium (CVSS 5.5) vulnerability in microsoft windows_10. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 13-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Windows Kernel Information Disclosure Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.81%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.81% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
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
1 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27093X Refsource MISCPatchVendor Advisory