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Vulnerability IntelligenceCVE-2026-118342

CVE-2026-118342

UNKNOWN

Out of bounds write in Editing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page

Published Oct 27, 2026

Modified Today

Fix available

Details

Out of bounds write in Editing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Fixed in:

156.0.8078.73

google-chrome

brew

Fixed in:

156.0.8078.73

google-chrome@beta

brew

Fixed in:

156.0.8078.73

google-chrome@dev

brew

Fixed in:

156.0.8078.73

Google Chrome Beta

macOS 12macOS 13macOS 14macOS 15macOS 26

Fixed in:

156.0.8078.73

Google Chrome Dev

macOS 12macOS 13macOS 14macOS 15macOS 26

Fixed in:

156.0.8078.73

com.google.Chrome

macOS 12macOS 13macOS 14macOS 15macOS 26

Fixed in:

156.0.8078.73

com.google.Chrome.beta

macOS 12macOS 13macOS 14macOS 15macOS 26

Fixed in:

156.0.8078.73

com.google.Chrome.dev

macOS 12macOS 13macOS 14macOS 15macOS 26

Fixed in:

156.0.8078.73

References

https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html

https://issues.chromium.org/issues/574412629

https://www.cve.org/CVERecord?id=CVE-2026-118342

Weakness Type (CWE)

Memory Safety

Out-of-bounds Write

Ecosystems(31)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Timeline

PublishedOct 27, 2026

ModifiedOct 27, 2026

CVE-2026-118342 | Mondoo Vulnerability Intelligence