High severity · published Oct 27, 2026
CVE-2026-118345
Use after free in PDFium 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
8.8
CVSS
–
EPSS
No
On KEV
Description
Use after free in PDFium 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)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
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-2026-118345
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-118345
chromereleases.googleblog.com
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html
issues.chromium.org
https://issues.chromium.org/issues/574061024
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