CVE-2026-20830CWE-362CWE-416

Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability

High · published January 13, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

⚡ A race condition in the Capability Access Management Service could let an authorized attacker turn into a superuser with just a bit of clever timing! Think of it like two chefs trying to grab the last slice of cake from the same fridge at the exact same moment — if one gets there just a split second faster, they claim victory and get the sweet treat! In this case, the shared resource is the ability to elevate privileges, and timing is everything. An attacker with existing access could exploit this flaw to elevate their privileges, gaining control like a chef who's suddenly in charge of the entire kitchen! This means they could manipulate resources, access sensitive information, or even take down critical services. The potential fallout is serious and could compromise the integrity of the entire system.

Put simply

Think of it like two chefs trying to grab the last slice of cake from the same fridge at the exact same moment — if one gets there just a split second faster, they claim victory and get the sweet treat! In this case, the shared resource is the ability to elevate privileges, and timing is everything. This vulnerability arises from improper synchronization in concurrent execution, allowing an attacker to exploit timing differences to elevate their privileges locally within the Capability Access Management Service (camsvc).

What to do

An attacker with existing access could exploit this flaw to elevate their privileges, gaining control like a chef who's suddenly in charge of the entire kitchen! This means they could manipulate resources, access sensitive information, or even take down critical services. The potential fallout is serious and could compromise the integrity of the entire system. To secure your systems, apply the latest patches released by your vendor for this vulnerability, and review access controls to limit the ability to execute concurrent processes with shared resources. Regularly monitor your systems for unusual privilege escalations as an additional precaution. You've got this! With these steps, you'll be well on your way to securing your system like a pro! 🛡️

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00291 · 20.5th percentile
Weaknesses
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'); CWE-416 · Use After Free
Published
2026-01-13T17:56Z
EPSS history
Timeline
  • 13 JAN 17:56Z
    Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability
    cvelistv5