{ "document": { "acknowledgments": [ { "names": [ "Johann Rehberger with https://embracethered.com/" ] } ], "aggregate_severity": { "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Public", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle", "title": "Additional Resources" }, { "category": "legal_disclaimer", "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.", "title": "Disclaimer" }, { "category": "general", "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.", "title": "Customer Action" } ], "publisher": { "category": "vendor", "contact_details": "secure@microsoft.com", "name": "Microsoft Security Response Center", "namespace": "https://msrc.microsoft.com" }, "references": [ { "category": "self", "summary": "CVE-2026-62895 Azure Arc SQL Server Extension Elevation of Privilege Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62895" }, { "category": "self", "summary": "CVE-2026-62895 Azure Arc SQL Server Extension Elevation of Privilege Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-62895.json" }, { "category": "external", "summary": "Microsoft Exploitability Index", "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1" }, { "category": "external", "summary": "Microsoft Support Lifecycle", "url": "https://support.microsoft.com/lifecycle" }, { "category": "external", "summary": "Common Vulnerability Scoring System", "url": "https://www.first.org/cvss" } ], "title": "Azure Arc SQL Server Extension Elevation of Privilege Vulnerability", "tracking": { "current_release_date": "2026-09-08T07:00:00.000Z", "generator": { "date": "2026-10-29T00:17:34.868Z", "engine": { "name": "MSRC Generator", "version": "1.0" } }, "id": "msrc_CVE-2026-62895", "initial_release_date": "2026-09-08T07:00:00.000Z", "revision_history": [ { "date": "2026-09-08T07:00:00.000Z", "legacy_version": "1", "number": "1", "summary": "Information published." } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "<1.1.3518.465", "product": { "name": "Azure Arc SQL Server Extension <1.1.3518.465", "product_id": "1" } }, { "category": "product_version", "name": "1.1.3518.465", "product": { "name": "Azure Arc SQL Server Extension 1.1.3518.465", "product_id": "21760" } } ], "category": "product_name", "name": "Azure Arc SQL Server Extension" } ], "category": "vendor", "name": "Microsoft" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-62895", "cwe": { "id": "CWE-942", "name": "Permissive Cross-domain Policy with Untrusted Domains" }, "notes": [ { "category": "general", "text": "Microsoft", "title": "Assigning CNA" }, { "category": "faq", "text": "An attacker could host a specially crafted website and convince a user to visit it. When the user visits the site, it could send requests to a vulnerable service running locally on the affected system, allowing the attacker to run commands with elevated privileges. Authentication is not required, but the attack depends on the user visiting the attacker-controlled website.", "title": "How could an attacker exploit this vulnerability?" }, { "category": "faq", "text": "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.", "title": "What privileges could be gained by an attacker who successfully exploited this vulnerability?" }, { "category": "faq", "text": "Version 1.1.3464.439 was the first Azure extension for SQL Server version containing the security fix, but that version is no longer available. Customers should upgrade to version 1.1.3518.465 or later. Extension updates are cumulative, so later versions include the fix.", "title": "What version should customers install to address this vulnerability?" } ], "product_status": { "fixed": [ "21760" ], "known_affected": [ "1" ] }, "references": [ { "category": "self", "summary": "CVE-2026-62895 Azure Arc SQL Server Extension Elevation of Privilege Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62895" }, { "category": "self", "summary": "CVE-2026-62895 Azure Arc SQL Server Extension Elevation of Privilege Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-62895.json" } ], "remediations": [ { "category": "vendor_fix", "date": "2026-09-08T07:00:00.000Z", "details": "1.1.3518.465:Security Update:https://learn.microsoft.com/en-us/sql/sql-server/azure-arc/release-notes?view=sql-server-ver17", "product_ids": [ "1" ], "url": "https://learn.microsoft.com/en-us/sql/sql-server/azure-arc/release-notes?view=sql-server-ver17" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "exploitCodeMaturity": "UNPROVEN", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 7.7, "userInteraction": "REQUIRED", "vectorString": "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", "version": "3.1" }, "products": [ "1" ] } ], "threats": [ { "category": "impact", "details": "Elevation of Privilege" }, { "category": "exploit_status", "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely" } ], "title": "Azure Arc SQL Server Extension Elevation of Privilege Vulnerability" } ] }