CVE-2026-79086
Google Chrome CustomTabs Authorization Bypass
Description
Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain sensitive information via a co-installed app. (Chromium security severity: Medium)
INFO
Published Date :
Aug. 25, 2026, 9:18 p.m.
Last Modified :
Aug. 28, 2026, 5:30 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-79086
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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Chrome on Android.
- Apply security patch 152.0.7977.65.
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-2026-79086.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html | Release Notes Vendor Advisory |
| https://issues.chromium.org/issues/511804361 | 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-2026-79086 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-2026-79086
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-2026-79086 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-79086 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]
Aug. 28, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 152.0.7977.65 OR cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Added Reference Type Chrome: https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html Types: Release Notes, Vendor Advisory Added Reference Type Chrome: https://issues.chromium.org/issues/511804361 Types: Permissions Required -
CVE Modified by [email protected]
Aug. 26, 2026
Action Type Old Value New Value Added Reference https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html Added Reference https://issues.chromium.org/issues/511804361 Removed Reference https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html Removed Reference https://issues.chromium.org/issues/511804361 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Added SSVC {'id': 'CVE-2026-79086', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-26T18:11:21.084744Z'} -
New CVE Received by [email protected]
Aug. 25, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Google', 'product': 'Chrome', 'versions': [{'status': 'affected', 'version': '152.0.7977.65', 'lessThan': '152.0.7977.65', 'versionType': 'custom'}]}] Added Description Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain sensitive information via a co-installed app. (Chromium security severity: Medium) Added CWE CWE-862 Added Reference https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html Added Reference https://issues.chromium.org/issues/511804361