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CVE Record

CVE-2026-45499: Azure OpenAI Elevation of Privilege Vulnerability

Server-side request forgery (ssrf) in Azure OpenAI allows an authorized attacker to elevate privileges over a network.

CriticalCVSS 9.9Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2026-45499 is a critical Azure OpenAI privilege-escalation issue. Microsoft describes it as server-side request forgery that can let an authorized attacker gain higher privileges over a network. This matters most to organizations using Azure OpenAI where compromised or low-privilege access could become broader service or data impact.

Executive priority

Treat as urgent if Azure OpenAI is in use. Prioritize confirming exposure, following Microsoft’s advisory, and tightening identity access. No public active exploitation is shown in the provided sources, but the severity and privilege-escalation potential justify rapid review.

Technical view

The issue is CWE-918 SSRF in Azure OpenAI. The CVSS 3.1 score is 9.9 with network attack vector, low complexity, low privileges required, no user interaction, scope changed, and high confidentiality, integrity, and availability impact. The source bundle lists Microsoft’s advisory as a vendor advisory and patch reference.

Likely exposure

Exposure is likely limited to organizations using Microsoft Azure OpenAI. The attacker must already be authorized, so identity access, tenant configuration, and Azure OpenAI usage determine practical risk.

Exploitation context

The provided sources do not show known active exploitation, and KEV is false. CVSS marks exploit code maturity as unproven. Risk remains high because exploitation is network-reachable, low-complexity, and requires only low privileges.

Researcher notes

Evidence is limited to the CVE record and Microsoft advisory metadata. No exploit details, proof of concept, or environment-specific affected versions are provided in the bundle. Avoid assuming product variants or fixes beyond Microsoft’s advisory.

Mitigation direction

  • Review Microsoft’s MSRC advisory for the current fix or service-side guidance.
  • Apply any Microsoft-provided updates, configuration changes, or remediation instructions.
  • Restrict Azure OpenAI access to least-privileged identities.
  • Audit authorized users, service principals, and managed identities with Azure OpenAI access.
  • Monitor Azure OpenAI and identity logs for unusual requests or privilege changes.

Validation and detection

  • Confirm whether your organization uses Azure OpenAI.
  • Check MSRC for affected status and remediation guidance.
  • Verify Azure OpenAI access is limited to required identities.
  • Review logs for anomalous Azure OpenAI requests from authorized accounts.
  • Track Microsoft advisory updates until remediation is confirmed.
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-918: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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
description · low confidence lookup

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material 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-2026-45499 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
Critical
CVSS
9.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
9.9CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C3.16microsoft

Vulnerability scoring details

Base CVSS 3.1 score

9.9Critical
CVSS 3.1 vector shape for CVE-2026-45499Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
MicrosoftAzure Open AI-Listed
Weakness

CWE details

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

CWE-918 · source CWE mapping

Server-Side Request Forgery (SSRF)

Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.