CVE-2026-65816

CVE Enrichment

CVSS: 10.0 CRITICAL
EPSS: 0.97%
EPSS Percentile: 61.66%
CISA KEV: Not listed

Description

Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 21-Aug-2026 05:17
Last Modified: 19-Oct-2026 03:10
EPSS Date: 2026-10-21
CWE: CWE-706

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:C /
                            C:H /
                            I:H /
                            A:H

Affected Products / Versions

microsoft / azure_web_apps
Version / affected range: -
cpe:2.3:a:microsoft:azure_web_apps:-:*:*:*:*:*:*:*

References

[email protected]

Last enrichment sync: 22-Oct-2026 21:37
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

CVE-2026-65816 and CVE-2026-69555 both in Azure Arc, and CVE-2026-65801 in Exchange Server Online were all rated Critical and carried a CVSS of 10.0. September 2026 Patch Tuesday forecast: High patch volumes may continue
flaws, three of them allowing unauthenticated attackers to escalate privileges remotely on Azure Arc (CVE-2026-65816 and CVE-2026-69555) and Exchange Online (CVE-2026-65801). Microsoft Patches Entra ID RCE Flaw Reportedly Exploited in Attacks

CVE (10)

People (3)

MITRE ATT&CK (1)

Vendors (2)

Products (9)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.