CVE-2026-5858: Heap buffer overflow in Google Chrome
Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
AI Analysis
Technical Summary
This vulnerability involves a heap buffer overflow in the WebML feature of Google Chrome before version 147.0.7727.55. Exploitation requires a user to visit a maliciously crafted HTML page, which can lead to arbitrary code execution. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges and requires user interaction. The impact affects confidentiality, integrity, and availability of the affected system. Google has released a stable channel update announcement referencing this issue, but the exact remediation status is not explicitly stated in the provided information.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code on the victim's machine, potentially leading to full compromise of the affected system. The CVSS score of 8.8 reflects high impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
The vendor has published a stable channel update announcement for Google Chrome that addresses this vulnerability. Users and administrators should update to version 147.0.7727.55 or later to mitigate this issue. Patch status is not explicitly confirmed in the provided data, so checking the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html for the latest remediation guidance is recommended.
CVE-2026-5858: Heap buffer overflow in Google Chrome
Description
Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap buffer overflow in the WebML feature of Google Chrome before version 147.0.7727.55. Exploitation requires a user to visit a maliciously crafted HTML page, which can lead to arbitrary code execution. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges and requires user interaction. The impact affects confidentiality, integrity, and availability of the affected system. Google has released a stable channel update announcement referencing this issue, but the exact remediation status is not explicitly stated in the provided information.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code on the victim's machine, potentially leading to full compromise of the affected system. The CVSS score of 8.8 reflects high impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
The vendor has published a stable channel update announcement for Google Chrome that addresses this vulnerability. Users and administrators should update to version 147.0.7727.55 or later to mitigate this issue. Patch status is not explicitly confirmed in the provided data, so checking the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html for the latest remediation guidance is recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:31.447Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69d6ca371cc7ad14dab3cb53
Added to database: 4/8/2026, 9:35:51 PM
Last enriched: 4/16/2026, 11:55:07 AM
Last updated: 5/24/2026, 7:29:24 AM
Views: 157
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
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
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.