Which products and versions are affected by CVE-2008-5416?

Affected: SQL Server (Microsoft) versions 2000, 2005. The full list is in the CVE brief.

Is CVE-2008-5416 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2008-5416 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2008-5416?

Public exploit code is available.

Is there a fix for CVE-2008-5416?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2008-5416 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2008-5416

CriticalPublic exploit

Published Dec 10, 2008 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2008-5416 is a critical-severity vulnerability (CVSS 9.0 v2) affecting SQL Server (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 87% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

9.0

AV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

87%

Higher than 99.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2008-5416 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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."

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
SQL ServerMicrosoft	2000, 2005	n/a

Timeline

Publicly disclosed
Dec 10, 2008
Last updated
Apr 22, 2026

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

advisory33034
exploitMSF ms09_004_sp_replwritetovarbin.rb
exploitMSF ms09_004_sp_replwritetovarbin_sqli.rb
exploitExploitDB-16392
exploitExploitDB-16396

15 more references in the full CVE brief

FAQ

Common Questions.

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 authe…
Affected: SQL Server (Microsoft) versions 2000, 2005. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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