How severe is CVE-2010-0239?

CVE-2010-0239 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2010-0239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 61% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0239?

CVE-2010-0239 primarily affects Microsoft Windows Server 2008. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0239?

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-2010-0239 published?

CVE-2010-0239 was published on 2010-02-10 and last updated on 2026-06-16.

CVE-2010-0239

CVE-2010-0239 is a critical-severity vulnerability in Microsoft Windows Server 2008 with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 61% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 61% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Windows Server 2008
Published: 2010-02-10
Last modified: 2026-06-16

Description

The TCP/IP implementation in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2, when IPv6 is enabled, does not properly perform bounds checking on ICMPv6 Router Advertisement packets, which allows remote attackers to execute arbitrary code via crafted packets, aka "ICMPv6 Router Advertisement Vulnerability."

Frequently asked questions

What is CVE-2010-0239?: The TCP/IP implementation in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2, when IPv6 is enabled, does not properly perform bounds checking on ICMPv6 Router Advertisement packets, which allows remote attackers to execute arbitrary code via crafted packets, aka "ICMPv6 Router Advertisement Vulnerability."
How severe is CVE-2010-0239?: CVE-2010-0239 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2010-0239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 61% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0239?: CVE-2010-0239 primarily affects Microsoft Windows Server 2008. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0239?: 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-2010-0239 published?: CVE-2010-0239 was published on 2010-02-10 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:gold:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*

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