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CVE Record

CVE-2026-41086: Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A permissions flaw in Windows Admin Center in the Azure Portal can let an already authorized, low-privilege attacker gain higher privileges remotely. Successful exploitation could expose sensitive data, permit unauthorized changes, and disrupt affected systems. The supplied evidence identifies version 1.0 as affected.

Executive priority

Treat this as a high-priority privilege-escalation issue. Inventory affected deployments immediately and schedule the vendor remediation promptly. Prioritize environments containing sensitive workloads or broadly assigned low-privilege access. Emergency incident response is not supported solely by the supplied exploitation evidence.

Technical view

CVE-2026-41086 is an improper access control vulnerability (CWE-284) affecting Windows Admin Center in Azure Portal 1.0. It is network-reachable, low complexity, requires low privileges, and needs no user interaction. The CVSS 3.1 score is 8.8, with high confidentiality, integrity, and availability impacts.

Likely exposure

Organizations using Windows Admin Center in Azure Portal version 1.0 are potentially exposed. Exploitation requires an authorized attacker with existing low-level access and network reachability. The supplied sources do not establish whether particular configurations, Azure roles, or internet exposure alter risk.

Exploitation context

The CVSS vector records exploit maturity as unproven, and the source bundle states this CVE is not in CISA KEV. Therefore, active exploitation is not established by the supplied evidence. Its low complexity and limited prerequisite privileges still justify prompt remediation.

Researcher notes

The public bundle provides the affected product and version but no detailed vulnerable component, attack path, configuration prerequisites, or indicators of compromise. The vendor reference is tagged as a patch, and the CVSS remediation level indicates an official fix, but exact remediation details must be confirmed in Microsoft guidance.

Mitigation direction

  • Identify Windows Admin Center in Azure Portal deployments running version 1.0.
  • Review the Microsoft advisory and apply its official remediation or update.
  • Restrict access to authorized administrators and necessary management networks until remediation is verified.
  • Review low-privilege accounts and remove unnecessary access or role assignments.

Validation and detection

  • Confirm each deployment's product version and remediation status.
  • Verify the Microsoft-recommended update or remediation is applied successfully.
  • Test that low-privilege users cannot perform privileged administrative actions.
  • Review relevant access and administrative activity for unexpected privilege changes.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-284: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-41086 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C2.85.9microsoft

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2026-41086Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftWindows Admin Center in Azure Portal1.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-284 · source CWE mapping

Improper Access Control

Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.