CVE-2026-88086 in SQL Server

Summary

by MITRE • 10/13/2026

Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.

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• Responsible: Microsoft
• Reservation: 09/09/2026
• Disclosure: 10/13/2026
• Moderation: accepted
• Entry: VDB-418217
• CPE: 20261013
• CWE: CWE-125 (confirmed)
• CVSS: 5.3 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Chemical, Education, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-88086
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-88086
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-88086/