PT-2026-24336 · Microsoft · Azure Arc+1

Michal Kamensky · Published 2026-03-10 · Updated 2026-03-31 · CVE-2026-26141

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Azure Arc (affected versions not specified)

Description An improper authentication issue exists in Azure Arc that could allow an authorized attacker to elevate privileges locally. Microsoft has disclosed three elevation of privilege flaws in Azure Virtual Machines, potentially granting authorized users local administrator access on Arc-enabled Windows and Linux VMs.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Incorrect Authorization

Improper Authentication

Weakness Enumeration

CWE-863

CWE-287

Related Identifiers

BDU:2026-03050

CVE-2026-26141

Affected Products

Azure Arc

Azure Virtual Machine

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26141 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26141 · Security Note
• https://osv.dev/vulnerability/CVE-2026-26141 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03050 · Security Note
• https://twitter.com/rahsi_aaka/status/2038902143424545114 · Twitter Post
• https://twitter.com/threatcluster/status/2031438005127299541 · Twitter Post
• https://twitter.com/CVEnew/status/2033361114189246821 · Twitter Post