Unscored severity · published Oct 27, 2026
CVE-2026-118357
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page
New
–
CVSS
–
EPSS
No
On KEV
Description
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
156.0.8078.73 before 156.0.8078.73 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-118357
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-118357
chromereleases.googleblog.com
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html
issues.chromium.org
https://issues.chromium.org/issues/562191732
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