CVE-2026-3063
Google Chrome DevTools Privilege Escalation Vulnerability
Description
Inappropriate implementation in DevTools in Google Chrome prior to 145.0.7632.116 allowed an attacker who convinced a user to install a malicious extension to inject scripts or HTML into a privileged page via DevTools. (Chromium security severity: High)
INFO
Published Date :
Feb. 23, 2026, 11:16 p.m.
Last Modified :
Feb. 25, 2026, 6:23 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-3063
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 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Google Chrome to the latest version.
- Avoid installing malicious extensions.
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-2026-3063.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_23.html | Release Notes |
| https://issues.chromium.org/issues/485287859 | Issue Tracking 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-2026-3063 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-2026-3063
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-2026-3063 vulnerability anywhere in the article.
-
TheCyberThrone
Google has fixed triple high severity flaws in Chrome
February 25, 2026Google Chrome users face three high-severity vulnerabilities patched in version 145.0.7632.116, released around February 22-23, 2026. These flaws, all rated High by Chromium, enable r ... Read more
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CybersecurityNews
Google Chrome Emergency Security Update Patches Three High-Severity Vulnerabilities
Google Chrome Emergency Security Update Google has released a critical security update for its Chrome browser, pushing version 145.0.7632.116/117 to Windows and macOS users, while Linux users receive ... Read more
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Daily CyberSecurity
Chrome Alert: High-Severity Flaws in Media and Tint Engine Trigger Emergency Update
Google has officially announced an important update for the Chrome Stable channel, addressing three high-severity security vulnerabilities that could compromise user data and system stability. The upd ... Read more
The following table lists the changes that have been made to the
CVE-2026-3063 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 25, 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 -
Initial Analysis by [email protected]
Feb. 25, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Added CWE NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 145.0.7632.116 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 145.0.7632.117 OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Added Reference Type Chrome: https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_23.html Types: Release Notes Added Reference Type Chrome: https://issues.chromium.org/issues/485287859 Types: Issue Tracking, Permissions Required -
New CVE Received by [email protected]
Feb. 23, 2026
Action Type Old Value New Value Added Description Inappropriate implementation in DevTools in Google Chrome prior to 145.0.7632.116 allowed an attacker who convinced a user to install a malicious extension to inject scripts or HTML into a privileged page via DevTools. (Chromium security severity: High) Added Reference https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_23.html Added Reference https://issues.chromium.org/issues/485287859