How severe is CVE-2008-5416?

CVE-2008-5416 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2008-5416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 87% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5416?

CVE-2008-5416 primarily affects Microsoft Sql Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-5416?

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

When was CVE-2008-5416 published?

CVE-2008-5416 was published on 2008-12-10 and last updated on 2026-06-16.

CVE-2008-5416

CVE-2008-5416 is a critical-severity vulnerability in Microsoft Sql Server with a CVSS 2.0 base score of 9.0. Its EPSS exploit-prediction score of 87% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 87% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Sql Server
Published: 2008-12-10
Last modified: 2026-06-16

Description

Heap-based buffer overflow in Microsoft SQL Server 2000 SP4, 8.00.2050, 8.00.2039, and earlier; SQL Server 2000 Desktop Engine (MSDE 2000) SP4; SQL Server 2005 SP2 and 9.00.1399.06; SQL Server 2000 Desktop Engine (WMSDE) on Windows Server 2003 SP1 and SP2; and Windows Internal Database (WYukon) SP2 allows remote authenticated users to cause a denial of service (access violation exception) or execute arbitrary code by calling the sp_replwritetovarbin extended stored procedure with a set of invalid parameters that trigger memory overwrite, aka "SQL Server sp_replwritetovarbin Limited Memory Overwrite Vulnerability."

Frequently asked questions

What is CVE-2008-5416?: Heap-based buffer overflow in Microsoft SQL Server 2000 SP4, 8.00.2050, 8.00.2039, and earlier; SQL Server 2000 Desktop Engine (MSDE 2000) SP4; SQL Server 2005 SP2 and 9.00.1399.06; SQL Server 2000 Desktop Engine (WMSDE) on Windows Server 2003 SP1 and SP2; and Windows Internal Database (WYukon) SP2 allows remote authenticated users to cause a denial of service (access violation exception) or execute arbitrary code by calling the sp_replwritetovarbin extended stored procedure with a set of invalid parameters that trigger memory overwrite, aka "SQL Server sp_replwritetovarbin Limited Memory Overwrite Vulnerability."
How severe is CVE-2008-5416?: CVE-2008-5416 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2008-5416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 87% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5416?: CVE-2008-5416 primarily affects Microsoft Sql Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-5416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-5416 published?: CVE-2008-5416 was published on 2008-12-10 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:sql_server:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:2005:*:*:*:*:*:*:*

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