CVE-2026-69555
Azure Arc Elevation of Privilege Vulnerability
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
10.0
Azure Arc Elevation of Privilege Vulnerability
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-69555- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2026-63627
10.0
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2026-63627- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m9j2-qfhx-hm42
10.0
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a...
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-m9j2-qfhx-hm42- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
10.0
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-69555- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-69555 is a critical vulnerability (CVSS 10.0) in Microsoft Azure Arc, published August 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.