EUVD-2026-73788
GHSA-p7q9-j6xv-6q58
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network-accessible unauthenticated heap overflow with full code-execution impact; UI:R retained as vendor-scored given unexplained interaction requirement in available data.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Integer overflow or wraparound in SQL Server allows an unauthorized attacker to execute code over a network.
AnalysisAI
Remote code execution in Microsoft SQL Server 2017 and 2019 is enabled by an integer overflow that precipitates a heap-based buffer overflow (CWE-122), allowing an unauthenticated network attacker to execute arbitrary code on the database host. The CVSS vector (AV:N/AC:L/PR:N/UI:R) indicates low attack complexity and no required privileges, though some user interaction is required, moderating fully automated exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS vector (AV:N/AC:L/PR:N/UI:R) confirms network-accessible exploitation requiring no authentication and no elevated privileges, with low attack complexity, but with a required user interaction component. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects a high-priority finding: network-accessible, low complexity, no privileges required, and full confidentiality/integrity/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 | Vendor-released patches are available for all affected servicing branches. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Complete an inventory of Microsoft SQL Server 2017 and 2019 instances and prioritize them by business criticality and network exposure; implement temporary network segmentation or access restrictions if patches cannot be applied immediately. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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