How severe is CVE-2010-3963?

CVE-2010-3963 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2010-3963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3963?

CVE-2010-3963 primarily affects Microsoft Windows 2003 Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3963?

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.

When was CVE-2010-3963 published?

CVE-2010-3963 was published on 2010-12-16 and last updated on 2026-06-16.

CVE-2010-3963

CVE-2010-3963 is a high-severity vulnerability in Microsoft Windows 2003 Server with a CVSS 2.0 base score of 7.2. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Windows 2003 Server
Published: 2010-12-16
Last modified: 2026-06-16

Description

Buffer overflow in the Routing and Remote Access NDProxy component in the kernel in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows local users to gain privileges via a crafted application, related to the Routing and Remote Access service (RRAS) and improper copying from user mode to the kernel, aka "Kernel NDProxy Buffer Overflow Vulnerability."

Frequently asked questions

What is CVE-2010-3963?: Buffer overflow in the Routing and Remote Access NDProxy component in the kernel in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows local users to gain privileges via a crafted application, related to the Routing and Remote Access service (RRAS) and improper copying from user mode to the kernel, aka "Kernel NDProxy Buffer Overflow Vulnerability."
How severe is CVE-2010-3963?: CVE-2010-3963 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2010-3963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3963?: CVE-2010-3963 primarily affects Microsoft Windows 2003 Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3963?: 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.
When was CVE-2010-3963 published?: CVE-2010-3963 was published on 2010-12-16 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*

More vulnerabilities in Microsoft Windows 2003 Server

CVE-2011-1868 — Critical (CVSS 10.0): The Distributed File System (DFS) implementation in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not…
CVE-2011-1268 — Critical (CVSS 10.0): The SMB client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server…
CVE-2011-0661 — Critical (CVSS 10.0): The SMB Server service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows…
CVE-2011-0654 — Critical (CVSS 10.0): Integer underflow in the BowserWriteErrorLogEntry function in the Common Internet File System (CIFS) browser service in…
CVE-2010-2550 — Critical (CVSS 10.0): The SMB Server in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server…
CVE-2010-0476 — Critical (CVSS 10.0): The SMB client in Microsoft Windows Server 2003 SP2, Vista Gold, SP1, and SP2, and Windows Server 2008 Gold and SP2…

All CVEs affecting Microsoft Windows 2003 Server →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →