CVE-2021-31955 is a Windows Kernel Information Disclosure Vulnerability affecting multiple versions of Windows 10 and Windows Server. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, allowing an attacker to gain high confidentiality impact without requiring user interaction. It is confirmed to be actively exploited in the wild, as evidenced by its inclusion in the CISA KEV catalog and extensive media coverage, despite a lack of public exploit code in common databases. The high FAUCET Risk Score and significant community discussion further underscore its importance.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.0.17763.1999CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* | ||
< 10.0.18363.1621CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* | ||
< 10.0.19041.1052CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* | ||
< 10.0.19042.1052CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* | ||
< 10.0.19043.1052CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.