EUVD-2026-73388
GHSA-m563-v4rr-6f2j
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Network-delivered DoS requiring only low-privilege authentication; no confidentiality or integrity impact per description and scope.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Integer overflow or wraparound in SQL Server allows an authorized attacker to deny service over a network.
AnalysisAI
Integer overflow in Microsoft SQL Server 2022 and 2025 enables an authenticated, low-privilege network attacker to crash the database service, causing a denial of service for all connected clients. The flaw (CWE-190) is triggered by crafted network input that induces an integer wraparound in SQL Server's processing logic, resulting in complete availability loss. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid SQL Server login with at minimum low-privilege access (PR:L per CVSS); anonymous or unauthenticated access is insufficient. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 score (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) is well-calibrated for this vulnerability class. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patches immediately. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Integer Overflow
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External POC / Exploit Code
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