Skip to main content
EPSS 0.3%top 79%

CVE-2026-17951: Heap buffer overflow in Google Chrome

0
High
VulnerabilityCVE-2026-17951cvecve-2026-17951
Published: 07/30/2026 (07/30/2026, 00:25:40 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

A heap buffer overflow vulnerability exists in the WebRTC component of Google Chrome prior to version 151.0.7922.72. This flaw allows a remote attacker to perform an out-of-bounds memory read by delivering a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits are reported in the wild. The vendor has published an advisory linked to a stable channel update but has not explicitly stated the remediation level in the provided data.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Google

Chrome

Affected versions
>=151.0.7922.72 <151.0.7922.72
GitHub Actionsmore threats →ai
chromium/chromium
pkg:github/chromium/chromium
Affected versions
<151.0.7922.72

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/06/2026, 17:38:29 UTC

Technical Analysis

CVE-2026-17951 is a heap buffer overflow vulnerability in the WebRTC implementation of Google Chrome versions before 151.0.7922.72. This vulnerability enables a remote attacker to cause an out-of-bounds memory read via a specially crafted HTML page. The CVSS v3.1 score is 8.8, indicating high impact with network attack vector, low attack complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impacts. The vulnerability is publicly disclosed with a vendor advisory linked to a stable channel update, but explicit patch or remediation details are not provided in the input data.

Potential Impact

Successful exploitation can lead to disclosure of memory contents beyond intended boundaries, potentially exposing sensitive information or causing application instability. The high CVSS score reflects significant confidentiality, integrity, and availability impacts. However, no active exploitation in the wild has been reported at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users and administrators should monitor for official updates and apply them promptly once available.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-07-27T23:37:06.931Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]

Threat ID: 6a6aa0aa9c2644c7f849bb83

Added to database: 07/30/2026, 00:54:02 UTC

Last enriched: 08/06/2026, 17:38:29 UTC

Last updated: 09/11/2026, 07:31:52 UTC

Views: 47

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses