What is the CVSS score of CVE-2025-49719?

CVE-2025-49719 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: 0.7%.

How to fix or mitigate CVE-2025-49719?

Within 24 hours: identify all SQL Server instances in your environment and document their current versions and network exposure. Within 7 days: apply the vendor-released patch to all affected SQL Server systems, prioritizing internet-facing and production database servers. Within 30 days: complete patching across all remaining systems and verify patch deployment through configuration management or vulnerability scanning tools.

Sql Server 2016 CVE-2025-49719

Q: Which versions of Sql Server 2016 are affected by CVE-2025-49719?

CVE-2025-49719 affects SQL Server and enables unauthenticated attackers to disclose sensitive information over the network through improper input validation.. A patch is available.

EUVD-2025-20625 HIGH

Improper Input Validation (CWE-20)

2025-07-08 secure@microsoft.com

Information Disclosure Microsoft Sql Server 2016 Sql Server 2017 Sql Server 2019 Sql Server 2022

7.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Impact	CVSS score of 7.5 (HIGH).

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.7% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

Improper input validation in SQL Server allows an unauthorized attacker to disclose information over a network.

Earlier versions of this analysis (1)

v1 Mar 16, 2026 - 04:21 CVSS 7.5

RemediationAI

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

Affected VersionsENISA

Microsoft SQL Server 2022 (CU 19) 16.0.0.0 <16.0.4200.1

Microsoft SQL Server 2022 (CU 19) 16.0.0.0 <16.0.1140.6

Microsoft SQL Server 2017 (CU 31) 14.0.0 <14.0.3495.9

Microsoft SQL Server 2022 (GDR) 16.0.0 <16.0.4200.1

Microsoft SQL Server 2022 (GDR) 16.0.0 <16.0.1140.6

Microsoft SQL Server 2019 (GDR) 15.0.0 <15.0.2135.5

Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.0 <13.0.7055.9

Microsoft SQL Server 2017 (GDR) 14.0.0 <14.0.2075.8

Microsoft SQL Server 2016 for Service Pack 2 (GDR) 13.0.0 <13.0.6460.7

Microsoft SQL Server 2019 (CU 32) 15.0.0.0 <15.0.4435.7

Affected Packages

euvd microsoft_sql_server_2016_for_service_pack_2_gdr fix: 13.0.6460.7

euvd microsoft_sql_server_2016_service_pack_3_azure_connect_feature_pack fix: 13.0.7055.9

euvd microsoft_sql_server_2017_cu_31 fix: 14.0.3495.9

euvd microsoft_sql_server_2017_gdr fix: 14.0.2075.8

euvd microsoft_sql_server_2019_cu_32 fix: 15.0.4435.7

euvd microsoft_sql_server_2019_gdr fix: 15.0.2135.5

euvd microsoft_sql_server_2022_cu_19 fix: 16.0.1140.6, 16.0.4200.1

euvd microsoft_sql_server_2022_gdr fix: 16.0.1140.6, 16.0.4200.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 8 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improper Input Validation (CWE-20).

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Exploit and PoC references, threat intelligence from 22 sources

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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

Patch available

Apr 16, 2026 - 05:29 EUVD

16.0.4200.1,16.0.1140.6,14.0.3495.9

CVE Published

Jul 08, 2025 - 17:15 nvd

HIGH 7.5

Executive ViewAI

Why It Matters

CVE-2025-49719 affects SQL Server and enables unauthenticated attackers to disclose sensitive information over the network through improper input validation. This vulnerability poses a direct risk to data confidentiality for any organization running vulnerable SQL Server instances accessible over the network, potentially exposing customer data, intellectual property, or operational information without requiring valid credentials.

Business Impact: High

Compensating Controls

Apply vendor patch. If patch deployment is delayed, implement network segmentation to restrict unauthenticated access to SQL Server instances, disable network protocols not in use, and monitor for suspicious connection attempts and unusual query patterns targeting information disclosure.

Threat Intelligence Overview

EPSS Score

0.7%

Top 29% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS CERT-EU

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.7%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.