CVE-2021-21117

HIGH 7.8CVE-2021-21117 · Published 09/02/2021 · updated 17/06/2026

In short

CVE-2021-21117 is a HIGH (CVSS 7.8) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 0.22%, higher than 13.1% of all vulnerabilities.
Fix: update to 88.0.4324.96 or later.

Package	Affected versions	Patched versions
chrome google	`< 88.0.4324.96`	`88.0.4324.96`

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.

References

chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html · Release Notes
crbug.com/1137179 · Permissions Required

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Package

Affected versions

Patched versions

chrome

google

< 88.0.4324.96

88.0.4324.96

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