EUVD-2026-73300
GHSA-w8gp-wffp-fvg4
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-reachable, no authentication, no user interaction, pure availability crash; no confidentiality or integrity impact indicated.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Integer overflow or wraparound in SQL Server allows an unauthorized attacker to deny service over a network.
AnalysisAI
Denial-of-service via integer overflow in Microsoft SQL Server allows unauthenticated remote attackers to crash the database service over a network connection. Affected versions span SQL Server 2017 through 2025 across both Cumulative Update and GDR branches. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions required - remote unauthenticated exploitation against default configurations of Microsoft SQL Server. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) vector accurately captures the threat profile: network-reachable, no credentials, low complexity, pure availability impact. … 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 | Patch available per vendor advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of all Microsoft SQL Server instances running versions 2017-2025 and identify those exposed to untrusted networks or internet connectivity; assign remediation priority based on criticality. …
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Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Buffer Overflow
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External POC / Exploit Code
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