CVE-2026-11645
Google Chromium V8 Out-of-Bounds Read and Write Vulnerability - [Actively Exploited]
Description
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
INFO
Published Date :
June 9, 2026, 12:16 a.m.
Last Modified :
June 9, 2026, 7:41 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Google Chromium V8 out-of-bounds read and write vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Unknown
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html ; https://issues.chromium.org/issues/506689381 ; https://nvd.nist.gov/vuln/detail/CVE-2026-11645
Affected Products
The following products are affected by CVE-2026-11645
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 149.0.7827.103 or later.
- Avoid opening untrusted HTML pages.
Public PoC/Exploit Available at Github
CVE-2026-11645 has a 3 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2026-11645.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html | Release Notes Vendor Advisory |
| https://issues.chromium.org/issues/506689381 | Permissions Required |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645 | US Government Resource |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-11645 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-2026-11645
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).
Agent-native CVE intelligence as a hosted MCP server: ~332k vulnerabilities fused from NVD, CISA KEV, FIRST EPSS, OSV/GHSA and SSVC, ranked exploitation-first, with a CVE-claim fact-checker that catches the CVEs your agent makes up.
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None
CVE-2026-11645
HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11645 vulnerability anywhere in the article.
-
The Hacker News
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Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development
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The following table lists the changes that have been made to the
CVE-2026-11645 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.
-
Modified Analysis by [email protected]
Jun. 09, 2026
Action Type Old Value New Value Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645 Types: US Government Resource -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Jun. 09, 2026
Action Type Old Value New Value Added Date Added 2026-06-09 Added Due Date 2026-06-09 Added Required Action 2026-06-09 Added Vulnerability Name 2026-06-09 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 09, 2026
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645 -
Initial Analysis by [email protected]
Jun. 09, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 149.0.7827.103 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/2026/06/stable-channel-update-for-desktop_0153744567.html Types: Release Notes, Vendor Advisory Added Reference Type Chrome: https://issues.chromium.org/issues/506689381 Types: Permissions Required -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 09, 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]
Jun. 09, 2026
Action Type Old Value New Value Added Description Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 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/2026/06/stable-channel-update-for-desktop_0153744567.html Added Reference https://issues.chromium.org/issues/506689381