CVE-2025-36927CWE-120CWE-787

CVE-2025-36927

High · published December 12, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
0.6
In the wild
Unconfirmed
What it is

⚡ An overlooked bounds check in tachyon_server_common.h opens the door to local privilege escalation — a sneaky way for attackers to gain extra power without breaking a sweat! 🔥 Think of it like a restaurant where a chef can suddenly access the vault storing the secret recipe book just by misplacing an order — no special keys or insider knowledge required. This sneaky oversight can let an attacker stir up some serious trouble from within! An attacker could exploit this vulnerability to elevate their privileges and potentially take full control over the system. Imagine them having the power to make unauthorized changes, access sensitive data, or even deploy malicious software without anyone being the wiser. That's a recipe for disaster!

Put simply

Think of it like a restaurant where a chef can suddenly access the vault storing the secret recipe book just by misplacing an order — no special keys or insider knowledge required. This sneaky oversight can let an attacker stir up some serious trouble from within! This vulnerability arises from a missing bounds check in the GetTachyonCommand function, allowing an attacker to perform an out-of-bounds write operation. The result? Local escalation of privileges without needing additional execution permissions — a weakness that could be devastating if exploited!

What to do

An attacker could exploit this vulnerability to elevate their privileges and potentially take full control over the system. Imagine them having the power to make unauthorized changes, access sensitive data, or even deploy malicious software without anyone being the wiser. That's a recipe for disaster! To mitigate this issue, ensure that you patch your system to the latest version where this vulnerability is fixed. Implement rigorous bounds checking in your code and review your security policies to prevent local privilege escalation scenarios. Don't let this oversight linger! You've got this! With these steps, you'll have your system fortified in no time. 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00095 · 0.6th percentile
Weaknesses
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'); CWE-787 · Out-of-bounds Write
Published
2025-12-12T01:15Z
Affected products (1)
ProductVersionsFixed in
google/androidall versions—
References (1)
EPSS history
Timeline
  • 11 DEC 19:35Z
    In GetTachyonCommand of tachyon_server_common.h, there is a possible out of bounds write due to a missing bounds check
    cvelistv5