How severe is CVE-2024-21308?

CVE-2024-21308 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-21308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21308?

CVE-2024-21308 primarily affects Microsoft Sql Server 2016. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21308?

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-2024-21308 have an EU (EUVD) identifier?

Yes. CVE-2024-21308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19021.

When was CVE-2024-21308 published?

CVE-2024-21308 was published on 2024-07-09 and last updated on 2026-06-17.

CVE-2024-21308

CVE-2024-21308 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-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19021
Weakness: CWE-416
Affected product: Microsoft Sql Server 2016
Published: 2024-07-09
Last modified: 2026-06-17

Description

SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2024-21308?: SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability
How severe is CVE-2024-21308?: CVE-2024-21308 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-21308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21308?: CVE-2024-21308 primarily affects Microsoft Sql Server 2016. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21308?: 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-2024-21308 have an EU (EUVD) identifier?: Yes. CVE-2024-21308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19021.
When was CVE-2024-21308 published?: CVE-2024-21308 was published on 2024-07-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21308

Affected products (4)

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:*

More vulnerabilities in Microsoft Sql Server 2016

CVE-2026-40370 — High (CVSS 8.8): External control of file name or path in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-33120 — High (CVSS 8.8): Untrusted pointer dereference in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-26116 — High (CVSS 8.8): Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized…
CVE-2026-26115 — High (CVSS 8.8): Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a…
CVE-2026-21262 — High (CVSS 8.8): Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2025-59499 — High (CVSS 8.8): Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized…

All CVEs affecting Microsoft Sql Server 2016 →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →