How severe is CVE-2021-31944?

CVE-2021-31944 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-31944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31944?

CVE-2021-31944 affects Microsoft 3d Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-31944 published?

CVE-2021-31944 was published on 2021-06-08 and last updated on 2026-06-17.

CVE-2021-31944

CVE-2021-31944 is a medium-severity vulnerability in Microsoft 3d Viewer with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 4.3
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft 3d Viewer
Published: 2021-06-08
Last modified: 2026-06-17

Description

3D Viewer Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2021-31944?: 3D Viewer Information Disclosure Vulnerability
How severe is CVE-2021-31944?: CVE-2021-31944 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-31944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31944?: CVE-2021-31944 affects Microsoft 3d Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31944 published?: CVE-2021-31944 was published on 2021-06-08 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31944

Affected products (1)

cpe:2.3:a:microsoft:3d_viewer:-:*:*:*:*:*:*:*

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