EUVD-2026-73396
GHSA-hm74-wwgx-h5fv
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-reachable with low-privilege credential; OOB read yields confidentiality impact only, with no integrity or availability effect confirmed.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
AnalysisAI
Out-of-bounds read (CWE-125) in Microsoft SQL Server 2017 through 2025 allows a low-privileged authenticated attacker to disclose potentially sensitive server memory contents over the network. The flaw spans all four supported major versions across both Cumulative Update (CU) and General Distribution Release (GDR) servicing tracks, producing a broad enterprise exposure surface. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid SQL Server login with at least low-privilege access (PR:L per CVSS vector); unauthenticated external attackers cannot directly trigger this flaw. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) reflects moderate-to-elevated real-world 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 | Apply Microsoft-released patches to the appropriate SQL Server version and servicing track. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Sql Server 2017
View allSQL Server 2016-2025 contains an improper access control flaw that allows authenticated network attackers to escalate pr
Microsoft SQL Server Elevation of Privilege Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is rem
Microsoft SQL Server Elevation of Privilege Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is rem
Heap-based buffer overflow in Microsoft SQL Server 2017 and 2019 enables unauthenticated network attackers to execute ar
SQL injection in Microsoft SQL Server enables a low-privileged authenticated attacker to escalate database privileges ov
Privilege escalation in Microsoft SQL Server 2017 through 2025 allows any low-privileged authenticated database user to
Heap-based buffer overflow in Microsoft SQL Server 2017 through 2025 enables an authenticated low-privilege network atta
SQL injection in Microsoft SQL Server (versions 2017 through 2025) enables a network-authenticated low-privilege attacke
Heap-based buffer overflow in Microsoft SQL Server enables an authenticated, low-privileged network attacker to achieve
Heap-based buffer overflow in Microsoft SQL Server (versions 2017 through 2025) enables any authenticated network attack
Privilege escalation in Microsoft SQL Server (versions 2017, 2019, 2022, and 2025) allows a low-privileged authenticated
Remote code execution in Microsoft SQL Server 2017 and 2019 is enabled by an integer overflow that precipitates a heap-b
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today