CVE-2026-5873
Google Chrome V8 Out-of-Bounds Write Vulnerability
Description
Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
INFO
Published Date :
April 8, 2026, 10:16 p.m.
Last Modified :
April 13, 2026, 6:06 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-5873
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Google Chrome to version 147.0.7727.55 or later.
- Apply vendor patches when available.
- Avoid opening untrusted HTML pages.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-5873.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html | Release Notes Vendor Advisory |
| https://issues.chromium.org/issues/496301615 | Permissions Required |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-5873 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-5873
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-5873 vulnerability anywhere in the article.
-
CybersecurityNews
Researcher Uses Claude Opus to Build a Working Chrome Exploit Chain
Amidst the heated debate surrounding Anthropic’s recent announcement of its Mythos and Project Glasswing models, a security researcher has demonstrated the tangible cybersecurity implications of front ... Read more
-
The Register
Claude Opus wrote a Chrome exploit for $2,283
Anthropic withheld its Mythos bug-finding model from public release due to concerns that it would enable attackers to find and exploit vulnerabilities before anyone could react. But the company's Opus ... Read more
-
The Hacker News
⚡ Weekly Recap: Fiber Optic Spying, Windows Rootkit, AI Vulnerability Hunting and More
Monday is back, and the weekend’s backlog of chaos is officially hitting the fan. We are tracking a critical zero-day that has been quietly living in your PDFs for months, plus some aggressive state-s ... Read more
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CybersecurityNews
Critical Chrome Vulnerabilities Let Attackers to Execute Arbitrary Code
Google has released Chrome 147 to the stable channel for Windows, Mac, and Linux, patching a sweeping set of security vulnerabilities — including two critical-severity flaws that could allow remote at ... Read more
The following table lists the changes that have been made to the
CVE-2026-5873 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 13, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 147.0.7727.55 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Added Reference Type Chrome: https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html Types: Release Notes, Vendor Advisory Added Reference Type Chrome: https://issues.chromium.org/issues/496301615 Types: Permissions Required -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-125 Added CWE CWE-787 -
New CVE Received by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added Description Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High) Added Reference https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html Added Reference https://issues.chromium.org/issues/496301615