EUVD-2026-73182
GHSA-hw7m-97vj-v7g7
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
PR:L reflects that a valid SQL Server login is required; AV:N and AC:L are consistent with a network-reachable heap overflow requiring no special conditions beyond credentials.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
AnalysisAI
Remote code execution in Microsoft SQL Server 2025 is achievable by low-privileged authenticated attackers over the network via a heap-based buffer overflow (CWE-122). Both the GDR (General Distribution Release) and CU8 (Cumulative Update 8) servicing tracks for SQL Server 2025 are affected, spanning version ranges 17.0.1050.2-17.0.1135.8 and 17.0.0.0-17.0.4085.5 respectively. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold any valid SQL Server credential with at least the lowest authentication tier (PR:L) - this can be an application service account, a public-role member, or any minimally provisioned SQL login. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score with vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H represents a genuine high-priority enterprise risk. … 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 both servicing tracks. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all SQL Server 2025 instances (both GDR and CU8 servicing tracks) spanning versions 17.0.1050.2-17.0.1135.8 and 17.0.0.0-17.0.4085.5 respectively to quantify organizational exposure. …
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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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