CVE-2026-0541

Privilege escalation via improper ACAP installation validation

Published May 12, 2026 · Updated May 12, 2026

Improper input validation in Axis Communications AB AXIS OS 12.0.0 through 12.9.31 allows attackers to elevate ACAP privileges. Axis has not disclosed which installation input is improperly validated or how the installer assigns elevated permissions to a malicious package. Exploitation requires unsigned ACAP installation to be enabled and a victim with installation rights to install the attacker-supplied application.

CVSS severity6.7
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Axis Communications AB AXIS OS 12.0.0 through 12.9.31 allows attackers to elevate ACAP privileges. Axis has not disclosed which installation input is improperly validated or how the installer assigns elevated permissions to a malicious package. Exploitation requires unsigned ACAP installation to be enabled and a victim with installation rights to install the attacker-supplied application.

The record

CVE
CVE-2026-0541
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Axis Communications AB
Product
AXIS OS
Classifications
CWE-732, T1204.002, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. May 12, 2026CVE publishedPublication date reported by the CVE source.
  2. May 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.0.0 <12.9.32

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Axis Communications AB · AXIS OSversion=12.0.0 <12.9.32

Published CVSS scores

7.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
6.7Axis Communications ABCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1204.002Malicious File
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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