How severe is CVE-2025-49717?

CVE-2025-49717 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-49717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49717?

CVE-2025-49717 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-2025-49717?

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-2025-49717 have an EU (EUVD) identifier?

Yes. CVE-2025-49717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20626.

When was CVE-2025-49717 published?

CVE-2025-49717 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-49717

CVE-2025-49717 is a high-severity vulnerability in Microsoft Sql Server 2019 with a CVSS 3.x base score of 8.5. 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-122.

Key facts

Severity: High (CVSS 3.x base score 8.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20626
Weakness: CWE-122
Affected product: Microsoft Sql Server 2019
Published: 2025-07-08
Last modified: 2026-06-17

Description

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Frequently asked questions

What is CVE-2025-49717?: Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
How severe is CVE-2025-49717?: CVE-2025-49717 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-49717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49717?: CVE-2025-49717 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-2025-49717?: 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-2025-49717 have an EU (EUVD) identifier?: Yes. CVE-2025-49717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20626.
When was CVE-2025-49717 published?: CVE-2025-49717 was published on 2025-07-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49717

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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