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CVE-2021-36928: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-26 · updated 2026-08-10
• Weakness: CWE-59

Description

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Affected products

• Microsoft Edge (Chromium): before 92.0.902.55 — fixed in 92.0.902.55
• Microsoft Edge (Chromium): from 1.0.0.0 before 92.0.902.55 — fixed in 92.0.902.55

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 92.0.902.55; Microsoft Edge (Chromium) 92.0.902.55. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36928
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36928

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