Memory corruption in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00348.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
156.0.8078.47 affected < 156.0.8078.47

Configuration 1 [-]

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

No data.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6577-1 chromium security update
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html cve-icon cve-icon
https://issues.chromium.org/498733953#attachment75108978 cve-icon cve-icon
https://issues.chromium.org/issues/498733953 cve-icon cve-icon
History

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Title Extension Buffer Over-Read Allows Remote Memory Read in Google Chrome

Wed, 21 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

 ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 21 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 21 Oct 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Memory corruption in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-119
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-21T19:32:06.442Z

Reserved: 2026-10-19T23:02:49.078Z

Link: CVE-2026-113142

cve-icon Vulnrichment

Updated: 2026-10-21T15:14:02.404Z

cve-icon NVD

Status : Modified

Published: 2026-10-20T22:19:06.543

Modified: 2026-10-21T20:17:24.780

Link: CVE-2026-113142

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T18:30:10Z

Weaknesses