CVE-2026-5303 | BDVDB-2026-357221 Detail

Axis Communications ABAXIS OS

Description#

The ACAP framework contains a Time-of-Check to Time-of-Use (TOCTOU) race condition, which could potentially lead to privilege escalation. This vulnerability can only be exploited if the Axis device is configured to allow the installation of unsigned ACAP applications, and if an attacker convinces the victim to install a malicious ACAP application.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References#

https://www.axis.com/dam/public/d5/e8/6e/cve-2026-5303pdf-en-US-543643.pdf

Exploit#

No public exploit known

History#

Version 12026-08-11Record published in the CVE List.

Published

Published: 2026-08-11
Last modified: 2026-08-11

Vendor information

Vendor: Axis Communications AB
Product: AXIS OS

All Axis Communications AB vulnerabilities

Score

5.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 13.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Race Condition

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 12.0.0 and < 12.11.31
Fixed
12.11.31

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.7 Medium

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	High
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).