What’s Vulnerable › Vulnerabilities

CVE-2021-21117

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-09 · updated 2026-06-17
• Weakness: CWE-59

Description

Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file.

Affected products

• Google Chrome: before 88.0.4324.96 — fixed in 88.0.4324.96

How to fix

Upgrade to a fixed version: Google Chrome 88.0.4324.96. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
• https://crbug.com/1137179
• https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
• https://crbug.com/1137179

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