Azure Arc SQL Server Extension Elevation of Privilege Vulnerability

published 2026-09-08 2 mo ago modified 2026-10-31 8 d ago also EUVD-2026-73168

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

Permissive cross-domain policy with untrusted domains in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Patch / fix

fixed in 1 links 1

Microsoft Azure Arc SQL Server Extension 1.1.3518.465

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62895 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 59 d ago (2026-09-10)

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Azure Arc SQL Server Extension

Classification

Weakness

CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains
CWE-1390 Weak Authentication
CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2026-62895
vendor-advisory, patch

Sources

CVE List CVE-2026-62895
NVD CVE-2026-62895

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary