How severe is CVE-2026-33120?

CVE-2026-33120 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-2026-33120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33120?

CVE-2026-33120 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-2026-33120?

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-2026-33120 have an EU (EUVD) identifier?

Yes. CVE-2026-33120 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22637.

When was CVE-2026-33120 published?

CVE-2026-33120 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-33120

CVE-2026-33120 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-822.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22637
Weakness: CWE-822
Affected product: Microsoft Sql Server 2016
Published: 2026-04-14
Last modified: 2026-06-17

Description

Untrusted pointer dereference in SQL Server allows an authorized attacker to execute code over a network.

Frequently asked questions

What is CVE-2026-33120?: Untrusted pointer dereference in SQL Server allows an authorized attacker to execute code over a network.
How severe is CVE-2026-33120?: CVE-2026-33120 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-2026-33120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33120?: CVE-2026-33120 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-2026-33120?: 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-2026-33120 have an EU (EUVD) identifier?: Yes. CVE-2026-33120 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22637.
When was CVE-2026-33120 published?: CVE-2026-33120 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33120

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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