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CVE-2026-65816critical10.0

Azure Arc Elevation of Privilege Vulnerability

Impact

Azure Arc has a vulnerability allowing an unauthorized attacker to elevate privileges over a network due to incorrect name or reference resolution. The affected product is Azure Web Apps, with all versions potentially impacted.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Microsoft · microsoft

Azure Web Apps

1 range
microsoft version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

-

unaffected

unknown

Other versions: unknown

Original source description

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

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-65816

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-706 ↗

CWE-706: Use of Incorrectly-Resolved Name or Reference

microsoft

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

microsoft · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:a:microsoft:azure_web_apps:*:*:*:*:*:*:*:*

From (inclusive): -

Original applicability statements
[
  {
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:microsoft:azure_web_apps:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "-"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 2
microsoft

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-08-22

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

1 sources
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65816
vendor-advisorymicrosoft