CVE-2010-0242

CVE-2010-0242 is a high-severity vulnerability in Microsoft Windows Server 2008 with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 68% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

The TCP/IP implementation in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via crafted packets with malformed TCP selective acknowledgement (SACK) values, aka "TCP/IP Selective Acknowledgement Vulnerability."

Frequently asked questions

What is CVE-2010-0242?
The TCP/IP implementation in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via crafted packets with malformed TCP selective acknowledgement (SACK) values, aka "TCP/IP Selective Acknowledgement Vulnerability."
How severe is CVE-2010-0242?
CVE-2010-0242 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2010-0242 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 68% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0242?
CVE-2010-0242 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-2010-0242?
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-2010-0242 published?
CVE-2010-0242 was published on 2010-02-10 and last updated on 2026-06-16.

References

Affected products (11)

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