How severe is CVE-2025-49718?

CVE-2025-49718 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-49718 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49718?

CVE-2025-49718 primarily affects Microsoft Sql Server 2019. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-49718?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-49718 have an EU (EUVD) identifier?

Yes. CVE-2025-49718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20550.

When was CVE-2025-49718 published?

CVE-2025-49718 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-49718

CVE-2025-49718 is a high-severity vulnerability in Microsoft Sql Server 2019 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-908.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20550
Weakness: CWE-908
Affected product: Microsoft Sql Server 2019
Published: 2025-07-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-49718?: Use of uninitialized resource in SQL Server allows an unauthorized attacker to disclose information over a network.
How severe is CVE-2025-49718?: CVE-2025-49718 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-49718 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49718?: CVE-2025-49718 primarily affects Microsoft Sql Server 2019. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-49718?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-49718 have an EU (EUVD) identifier?: Yes. CVE-2025-49718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20550.
When was CVE-2025-49718 published?: CVE-2025-49718 was published on 2025-07-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49718

Affected products (2)

cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*

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