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TI-2026-79501 Aliases CVE-2026-97785GHSA-5vq4-h6h5-3gjg

Improper authentication in AAD App Proxy allows privilege elevation

Priority MEDIUM 50CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Microsoft Entra application proxy (AAD App Proxy) has an improper authentication flaw (CWE-287). An unauthorized remote attacker can escalate privileges over the network, with high impact to confidentiality and integrity. Microsoft reports no public disclosure or exploitation of this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00646 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Entra application proxy-—No fix listedCNA
  • Microsoft Entra application proxy VendorMicrosoft Affected - Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Microsoft Entra application proxy.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
—

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-97785
  2. 2026-10-23 Alias added: GHSA-5vq4-h6h5-3gjg
  3. 2026-10-25 EPSS moved to the 50th–90th percentile
  4. 2026-10-26 CISA SSVC decision points changed

References

Patch 1

  • TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
See all 18045 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences