How severe is CVE-2021-31945?

CVE-2021-31945 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-31945 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31945?

CVE-2021-31945 affects Microsoft Paint 3d. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31945?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-31945 published?

CVE-2021-31945 was published on 2021-06-08 and last updated on 2026-06-17.

CVE-2021-31945

CVE-2021-31945 is a high-severity vulnerability in Microsoft Paint 3d with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Paint 3d
Published: 2021-06-08
Last modified: 2026-06-17

Description

Paint 3D Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2021-31945?: Paint 3D Remote Code Execution Vulnerability
How severe is CVE-2021-31945?: CVE-2021-31945 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-31945 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31945?: CVE-2021-31945 affects Microsoft Paint 3d. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31945?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-31945 published?: CVE-2021-31945 was published on 2021-06-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:paint_3d:-:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Paint 3d

CVE-2023-35374 — High (CVSS 7.8): Paint 3D Remote Code Execution Vulnerability
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CVE-2022-23282 — High (CVSS 7.8): Paint 3D Remote Code Execution Vulnerability
CVE-2021-31983 — High (CVSS 7.8): Paint 3D Remote Code Execution Vulnerability
CVE-2021-31946 — High (CVSS 7.8): Paint 3D Remote Code Execution Vulnerability

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