Security readout for executives and security teams
Plain-English summary
CVE-2026-24305 is a critical Microsoft Entra elevation-of-privilege vulnerability. The supplied record indicates a remote, low-complexity attack requiring neither privileges nor user interaction, with potentially serious confidentiality impact. However, the available sources do not specify affected versions, prerequisites, or exact attack mechanics, so each organization must confirm exposure through Microsoft’s advisory.
Executive priority
Treat this as an urgent identity-security issue because compromise could expose sensitive information across authorization boundaries. Assign immediate ownership to the identity or cloud security team, verify applicability through Microsoft, remediate confirmed exposure, and review relevant audit evidence. Do not represent active exploitation as established from the supplied evidence.
Technical view
The CVSS 3.1 score is 9.3 with scope change, high confidentiality impact, low integrity impact, and no availability impact. The issue is categorized as CWE-285, improper authorization. The supplied affected-version field is unspecified. Microsoft’s advisory is identified as the remediation source, but the bundle provides no technical root-cause or deployment details.
Likely exposure
Organizations using Microsoft Entra may be exposed, but the supplied evidence does not identify affected services, configurations, editions, or versions. Asset and tenant-specific exposure cannot be determined from this bundle alone. Prioritize environments where Entra identities authorize access to sensitive cloud applications, administrative functions, or confidential data.
Exploitation context
The CVSS vector describes network reachability, low complexity, no required privileges, and no user interaction. These characteristics increase potential attackability, but they do not prove practical exploitation. The CVE is not listed as KEV in the supplied bundle, and no cited source here confirms active exploitation or public exploit availability.
Researcher notes
Public details in the bundle are limited to classification, CVSS characteristics, affected product family, and Microsoft’s advisory. No affected versions, vulnerable component, attack prerequisites beyond the vector, proof of concept, or technical fix mechanism are provided. Validation should remain defensive and tenant-specific until Microsoft publishes sufficient detail.
Mitigation direction
- Review Microsoft’s CVE-2026-24305 advisory for the current remediation and affected-service guidance.
- Apply Microsoft’s prescribed remediation across every confirmed affected Entra tenant.
- Prioritize tenants controlling privileged accounts, sensitive applications, or high-value data.
- Restrict unnecessary administrative privileges and review identity authorization policies while remediation is verified.
Validation and detection
- Inventory Microsoft Entra tenants and compare their configurations against Microsoft’s affected-service guidance.
- Confirm Microsoft’s prescribed remediation is applied to every identified affected tenant.
- Review Entra audit and sign-in records for unexplained privilege or authorization changes.
- Reassess sensitive application access after remediation to confirm authorization boundaries remain correct.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-285: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupPrivilege 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 lookupCVE-2026-24305 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C3.94.7microsoftVulnerability scoring details
Base CVSS 3.1 score
9.3CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Azure Entra ID Elevation of Privilege VulnerabilityCVE reference, microsoft · vendor-advisory, patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authorization
Improper Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.