Unauthenticated network privilege escalation
Published Aug 20, 2026 · Updated Aug 25, 2026
Incorrect authorization in Microsoft Azure Arc allows remote attackers to gain elevated privileges over a network via unspecified requests. Microsoft's public CVE and advisory records do not identify the affected Arc component or the authorization decision that is handled incorrectly, so the vulnerable check remains undisclosed. The published record states that exploitation is unauthenticated and requires no user interaction, so exposed Arc deployments should be reviewed for unintended access to higher-privileged management actions and related tenant data.
Summary
What happened
Incorrect authorization in Microsoft Azure Arc allows remote attackers to gain elevated privileges over a network via unspecified requests. Microsoft's public CVE and advisory records do not identify the affected Arc component or the authorization decision that is handled incorrectly, so the vulnerable check remains undisclosed. The published record states that exploitation is unauthenticated and requires no user interaction, so exposed Arc deployments should be reviewed for unintended access to higher-privileged management actions and related tenant data.
The record
- CVE
- CVE-2026-69555
- Published
- Aug 20, 2026
- Updated
- Aug 25, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-863
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 20, 2026CVE publishedPublication date reported by the CVE source.
- Aug 25, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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