CVE-2026-78978: Out of bounds read in Google Chrome
Description
CVE-2026-78978 is a high-severity out-of-bounds read vulnerability in the ANGLE component of Google Chrome on Windows. This flaw affects versions prior to 152.0.7977.65 and could allow a remote attacker to execute arbitrary code outside the browser sandbox via a crafted HTML page. The vulnerability has a CVSS score of 8.8, indicating a significant risk. No known exploits are reported in the wild. Google has released Chrome version 152.0.7977.65 to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An out-of-bounds read vulnerability exists in the ANGLE component of Google Chrome on Windows platforms prior to version 152.0.7977.65. This vulnerability allows remote attackers to potentially execute arbitrary code outside the sandbox by delivering a specially crafted HTML page. The flaw is rated with a CVSS 3.1 score of 8.8 (high severity), reflecting its potential impact on confidentiality, integrity, and availability. The issue is addressed in Chrome version 152.0.7977.65, as noted in the official Google Chrome stable channel update advisory.
Potential Impact
Successful exploitation could lead to remote code execution outside the sandbox, compromising system confidentiality, integrity, and availability. This elevates the risk of unauthorized control over the affected system. However, there are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 152.0.7977.65 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of this update. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:06:34.786Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9c0acd9273b49ac6e5d
Added to database: 08/25/2026, 20:23:28 UTC
Last enriched: 09/10/2026, 00:22:20 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 24
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