CVE-2021-31937
CVE-2021-31937 is a high-severity vulnerability in Microsoft Edge Chromium with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Microsoft Edge Chromium
- Published:
- Last modified:
Description
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Frequently asked questions
- What is CVE-2021-31937?
- Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- How severe is CVE-2021-31937?
- CVE-2021-31937 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2021-31937 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-31937?
- CVE-2021-31937 affects Microsoft Edge Chromium. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-31937?
- 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-2021-31937 published?
- CVE-2021-31937 was published on 2023-06-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
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