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5.5 Medium

CVE-2026-77488 Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally

Description

Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.

Affected products and versions

Product Affected versions Fixed in
Microsoft SQL Server 2017 (CU 31) 14.0 14.0.0 → < 14.0.3550.4 14.0.3550.4
Microsoft SQL Server 2017 (GDR) 14.0 14.0.0 → < 14.0.2130.4 14.0.2130.4
Microsoft SQL Server 2019 (CU 32) 15.0 15.0.0.0 → < 15.0.4490.9 15.0.4490.9
Microsoft SQL Server 2019 (GDR) 15.0 15.0.0 → < 15.0.2190.7 15.0.2190.7
Microsoft SQL Server 2022 (CU 26) 16.0 16.0.0.0 → < 16.0.4275.2 16.0.4275.2
Microsoft SQL Server 2022 (GDR) 16.0 16.0.0 → < 16.0.1200.5 16.0.1200.5
Microsoft SQL Server 2025 (CU8) 17.0 17.0.0.0 → < 17.0.4085.5 17.0.4085.5
Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0 17.0.1050.2 → < 17.0.1135.8 17.0.1135.8

References

Timeline

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The 150 CVEs of Microsoft SQL Server 2017 (CU 31) →
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