What is the CVSS score of CVE-2026-15123?

CVE-2026-15123 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Google are affected by CVE-2026-15123?

A heap corruption vulnerability in Google Chrome's DOM implementation (CVSS 8.8) enables remote memory corruption when users visit malicious web pages, affecting all organizational Chrome…. A patch is available.

How to fix or mitigate CVE-2026-15123?

Within 24 hours: Initiate staged deployment of Google Chrome version 150.0.7871.115 (Stable channel) to pilot user groups. Within 7 days: Complete enterprise rollout to all systems via patch management infrastructure. Within 30 days: Audit and verify 100% compliance with version 150.0.7871.115 or later.

Google CVE-2026-15123

EUVD-2026-42452 HIGH

Incorrect Authorization (CWE-863)

2026-07-08 chrome-cve-admin@google.com

GHSA-v66c-278h-3vj4

Authentication Bypass Google Red Hat Suse

8.8

CVSS 3.1 · Vendor: google

Severity by source

Vendor (google) PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SUSE

CRITICAL

qualitative

Red Hat

8.8 HIGH

qualitative

Primary rating from Vendor (google).

CVSS VectorVendor: google

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Jul 09, 2026 - 11:49 vuln.today

CVSS changed

Jul 09, 2026 - 11:22 NVD

8.8 (HIGH)

CVE Published

Jul 08, 2026 - 23:16 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 08, 2026 - 23:16 cve.org

HIGH 8.8

DescriptionCVE.org

Inappropriate implementation in DOM in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Heap corruption in Google Chrome's DOM implementation before 150.0.7871.115 lets a remote attacker corrupt memory when a victim opens a crafted HTML page, a High-severity Chromium bug rated CVSS 8.8. Google has shipped a Stable channel fix and the flaw requires user interaction (visiting a malicious page) but no privileges. No public exploit identified at time of analysis, and it is not listed in CISA KEV.