CVE-2026-79148: Off-by-one error in Google Chrome
Description
An off-by-one error in the DevTools component of Google Chrome prior to version 152.0.7977.65 allows a remote attacker, through social engineering and a crafted Chrome extension, to potentially read memory inside the sandbox. The vulnerability has a high CVSS score of 9.1 and is rated critical in severity. No known exploits are reported in the wild. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation status.
CVSS v3.1
Score 9.1critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-79148 is an off-by-one error vulnerability in Google Chrome's DevTools prior to version 152.0.7977.65. This flaw allows a remote attacker, leveraging social engineering and a specially crafted Chrome extension, to potentially read memory within the sandboxed environment. The vulnerability is rated critical with a CVSS 3.1 score of 9.1, indicating high impact on confidentiality and integrity without requiring privileges or user interaction. The vendor advisory is available but does not explicitly state the remediation status or patch availability.
Potential Impact
Successful exploitation could allow an attacker to read sensitive memory contents inside the sandbox, potentially exposing confidential information. The vulnerability affects confidentiality and integrity but does not impact availability. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html for current remediation guidance. Until official confirmation, users should exercise caution with Chrome extensions and avoid installing untrusted extensions that could leverage this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:10:26.813Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9d8acd9273b49ac7129
Added to database: 08/25/2026, 20:23:52 UTC
Last enriched: 09/09/2026, 22:52:17 UTC
Last updated: 10/10/2026, 06:48:19 UTC
Views: 54
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