What is the CVSS score of EUVD-2025-20550?

EUVD-2025-20550 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.9%.

Which versions of Sql Server 2019 are affected by EUVD-2025-20550?

CVE-2025-49718 is a high-severity information disclosure vulnerability in SQL Server that permits unauthenticated remote attackers to access sensitive data through uninitialized resource handling.. A patch is available.

How to fix or mitigate EUVD-2025-20550?

Within 24 hours: inventory all SQL Server deployments and their network exposure status; identify instances accessible remotely. Within 7 days: apply vendor-released patch to all affected SQL Server systems and validate remediation in non-production environments first. Within 30 days: complete patching across all production systems and conduct access control audit to restrict SQL Server network exposure where possible.

Sql Server 2019 EUVD-2025-20550

| CVE-2025-49718 HIGH

Use of Uninitialized Resource (CWE-908)

2025-07-08 secure@microsoft.com

Information Disclosure Microsoft Sql Server 2019 Sql Server 2022

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:29 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

16.0.1140.6,16.0.4200.1,15.0.2135.5

EUVD ID Assigned

Mar 16, 2026 - 04:21 euvd

EUVD-2025-20550

Analysis Generated

Mar 16, 2026 - 04:21 vuln.today

CVE Published

Jul 08, 2025 - 17:15 nvd

HIGH 7.5

DescriptionCVE.org

Use of uninitialized resource in SQL Server allows an unauthorized attacker to disclose information over a network.

Analysis

Use of uninitialized resource in SQL Server allows an unauthorized attacker to disclose information over a network.

Technical ContextAI

This vulnerability is classified as Use of Uninitialized Resource (CWE-908).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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EUVD-2025-20550 vulnerability details – vuln.today

Back

Sql Server 2019 EUVD-2025-20550

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

More in Sql Server 2019

Same weakness CWE-908 – Use of Uninitialized Resource

Same technique Information Disclosure

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External POC / Exploit Code