EUVD-2026-73187
GHSA-grcf-vf82-2jm6
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-reachable via TDS, low complexity, but requires authenticated low-privilege login; pure read-side memory leak means no integrity or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
AnalysisAI
Out-of-bounds memory read in Microsoft SQL Server exposes sensitive server-side data to authenticated network attackers. The flaw (CWE-125) spans four major SQL Server release lines - 2017 through 2025 - in both GDR and Cumulative Update servicing tracks, making it broadly present across enterprise environments. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid SQL Server credential with at minimum low-privilege (public role or equivalent) login rights to the target instance - PR:L in the CVSS vector confirms this. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) scoring 6.5 correctly captures the threat model: network-exploitable, low-complexity, but gated behind authenticated (low-privilege) access, with impact limited to confidentiality. … 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 available through Microsoft's security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68781. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
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