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CVE-2021-21150

Use after free in Downloads in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer…

Critical9.6EPSS 1.2%
Published
Updated
Reserved
Assigned by
Chrome

Description

Use after free in Downloads in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Timeline

  1. ID reserved

    By Chrome

  2. · 2 months later

    Published

  3. · 3 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2021-21150, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Critical9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.2% · top 32% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.6.

Weakness

Affected products

References (5)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2021-21150 badge
[![CVE-2021-21150](https://trackcve.app/badge/CVE-2021-21150.svg)](https://trackcve.app/cve/CVE-2021-21150)

Record last updated .