Integer overflow in Extensions API in Google Chrome prior to 150.0.7871.115 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted Chrome Extension. (Chromium security severity: High)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

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 0.00125.

Exploitation none

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
150.0.7871.115 affected < 150.0.7871.115

No data.

No data.

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Project Subscriptions

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4677-1 chromium security update
Debian DSA Debian DSA DSA-6387-1 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/2026/07/stable-channel-update-for-desktop_01162222768.html cve-icon
https://issues.chromium.org/issues/515443146 cve-icon
History

Fri, 24 Jul 2026 09:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow in Chrome Extensions API

Tue, 21 Jul 2026 02:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow in Chrome Extensions API

Fri, 17 Jul 2026 09:00:00 +0000

Type Values Removed Values Added
Title Integer Overflow in Chrome Extensions API Allows Out-of-bounds Memory Read

Wed, 15 Jul 2026 05:45:00 +0000

Type Values Removed Values Added
Title Integer Overflow in Chrome Extensions API Allows Out-of-bounds Memory Read

Mon, 13 Jul 2026 21:30:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Memory Read via Chrome Extension from Integer Overflow

Sun, 12 Jul 2026 08:00:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Memory Read via Chrome Extension from Integer Overflow

Fri, 10 Jul 2026 20:15:00 +0000

Type Values Removed Values Added
Title Out‑Bound Memory Read via Extension API Integer Overflow

Fri, 10 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
Title Out‑Bound Memory Read via Extension API Integer Overflow

Thu, 09 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

ssvc

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

Thu, 09 Jul 2026 02:15:00 +0000

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

Wed, 08 Jul 2026 23:00:00 +0000

Type Values Removed Values Added
Description Integer overflow in Extensions API in Google Chrome prior to 150.0.7871.115 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted Chrome Extension. (Chromium security severity: High)
Weaknesses CWE-190
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-09T10:36:37.839Z

Reserved: 2026-07-08T17:07:38.340Z

Link: CVE-2026-15108

cve-icon Vulnrichment

Updated: 2026-07-09T10:36:31.758Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-26T16:30:06Z

Weaknesses