CVE-2026-102309: google chrome Use After Free
Analyzed
AliasesDEBIAN-CVE-2026-102309CGA-582f-962c-pqcvCGA-6hgq-r43m-676jCGA-ghfq-982x-cp2wCGA-hv9c-rp45-6gvhCGA-v3mv-pqqv-h2frCGA-x3x4-8m66-42xr
Published 29-09-2026Last modified 30-09-2026
Vulnerability summary
CVE-2026-102309 is a critical (CVSS 9.6) Use After Free vulnerability in google chrome. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.6% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)EPSS score
0.31%
0%100%
Low · Change unavailableKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 29-09-2026PublishedVulnerability first disclosed.
- 30-09-2026Last modifiedVulnerability information updated.
Description
Use after free in FullScreen in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVDNIST9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
30-09-202622-10-2026
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
Chainguard3 products
- chromium< 154.0.8037.92-r0
- chromium-docker-selenium-compat< 154.0.8037.92-r0
- chromium-lang< 154.0.8037.92-r0
Wolfi3 products
- chromium< 154.0.8037.92-r0
- chromium-docker-selenium-compat< 154.0.8037.92-r0
- chromium-lang< 154.0.8037.92-r0
Debian1 product
- chromium< 154.0.8037.92-1~deb12u1 | < 154.0.8037.92-1~deb13u1 | < 154.0.8037.92-1
Google1 product
- chrome≥ 154.0.8037.92, < 154.0.8037.92 | < 154.0.8037.92
4 vendors · 8 products
References
3 links- chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/560867085Permissions Required
