Microsoft SQL Server 2025 CU8 vulnerabilities

13 CVEs affecting Microsoft SQL Server 2025 CU8, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-88089, published 2026-10-13.

More from Microsoft.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-88081, published 2026-10-13. High severity, CVSS 7.7. EPSS: 0.5% chance of exploitation in the next 30 days. Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
• CVE-2026-88084, published 2026-10-13. Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days. Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.
• CVE-2026-83945, published 2026-10-13. Medium severity, CVSS 6.6. EPSS: 0.4% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
• CVE-2026-68883, published 2026-10-13. High severity, CVSS 8.5. EPSS: 0.4% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
• CVE-2026-88083, published 2026-10-13. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
• CVE-2026-88086, published 2026-10-13. Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days. Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
• CVE-2026-70189, published 2026-10-13. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
• CVE-2026-88089, published 2026-10-13. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
• CVE-2026-85876, published 2026-10-13. High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days. Use after free in SQL Server allows an authorized attacker to elevate privileges locally.
• CVE-2026-88085, published 2026-10-13. Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

Latest

• CVE-2026-88088, published 2026-10-13. High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days. Integer overflow or wraparound in SQL Server allows an authorized attacker to elevate privileges locally.
• CVE-2026-88082, published 2026-10-13. High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
• CVE-2026-85919, published 2026-10-13. High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days. Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.