CVE-2025-36940
Fuchsia Zircon Kernel Pager Proxy Use-After-Free Privilege Escalation
Description
Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which could lead to a Privilege Escalation from Userspace to Kernel (AP)
INFO
Published Date :
Aug. 24, 2026, 5:17 p.m.
Last Modified :
Aug. 24, 2026, 6:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Apply the vendor-supplied patch for the pager proxy.
- Update the Fuchsia operating system kernel.
- Restrict access to the pager proxy service.
- Monitor system logs for suspicious activity.
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-2025-36940.
| URL | Resource |
|---|---|
| https://support.google.com/product-documentation/answer/17072818?hl=en&ref_topic=12974021&sjid=10451061435205708316-NC |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-36940 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-2025-36940
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-2025-36940 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-36940 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
Aug. 24, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 Added SSVC {'id': 'CVE-2025-36940', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-24T17:22:32.618502Z'} -
New CVE Received by [email protected]
Aug. 24, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Google', 'product': 'Android', 'versions': [{'status': 'affected', 'version': 'F30.1.1'}], 'defaultStatus': 'unaffected'}] Added Description Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which could lead to a Privilege Escalation from Userspace to Kernel (AP) Added Reference https://support.google.com/product-documentation/answer/17072818?hl=en&ref_topic=12974021&sjid=10451061435205708316-NC