CVE-2026-84324: google chrome Use After Free
Vulnerability summary
CVE-2026-84324 is a critical (CVSS 9.0) Use After Free vulnerability in google chrome. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 40.7% of scored vulnerabilities.
Severe, CVSS 9 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 01-09-2026PublishedVulnerability first disclosed.
- 03-09-2026Last modifiedVulnerability information updated.
Description
Use after free in Proxy in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 version- OSV · DebianEcosystem advisory · calculated9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- NVDNIST9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.47% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- chromium< 152.0.7977.75-1~deb12u1 | < 152.0.7977.75-1~deb13u1 | < 152.0.7977.75-1
Google1 product
- chrome≥ 152.0.7977.75, < 152.0.7977.75 | < 152.0.7977.75
2 vendors · 2 products
References
3 links- chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/533534913Permissions Required
