How severe is CVE-2026-26116?

CVE-2026-26116 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26116 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26116?

CVE-2026-26116 primarily affects Microsoft Sql Server 2016. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-26116?

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-2026-26116 have an EU (EUVD) identifier?

Yes. CVE-2026-26116 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10686.

When was CVE-2026-26116 published?

CVE-2026-26116 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-26116

CVE-2026-26116 is a high-severity vulnerability in Microsoft Sql Server 2016 with a CVSS 3.x base score of 8.8. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10686
Weakness: CWE-89
Affected product: Microsoft Sql Server 2016
Published: 2026-03-10
Last modified: 2026-06-17

Description

Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-26116?: Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-26116?: CVE-2026-26116 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26116 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26116?: CVE-2026-26116 primarily affects Microsoft Sql Server 2016. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-26116?: 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-2026-26116 have an EU (EUVD) identifier?: Yes. CVE-2026-26116 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10686.
When was CVE-2026-26116 published?: CVE-2026-26116 was published on 2026-03-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26116

Affected products (5)

cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*

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