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CVE-2021-31944

20
FAUCET Score

CVE-2021-31944 is an information disclosure vulnerability affecting Microsoft 3D Viewer. It has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high confidentiality impact. While it was mentioned in media coverage regarding Microsoft's June 2021 Patch Tuesday, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.0.0, < 7.2105.4012.0CPE match
cpe:2.3:a:microsoft:3d_viewer:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:3d_viewer:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.3
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.78%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0278 is in the 94th percentile among its peer group of 5,760 CVEs.

Social Chatter

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.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 3D ViewerFixed in: 7.2105.4012.0
View patch

Vendor Advisories (1)

microsoft2021-Jun/CVE-2021-31944Important

3D Viewer Information Disclosure Vulnerability

Jun 8, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-31944
PatchVendor Advisory