Is CVE-2014-0254 in the CISA KEV catalog?

No. CVE-2014-0254 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-0254?

CVE-2014-0254 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2014-0254?

CVE-2014-0254 has an EPSS score of 32.68% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2014-0254

HIGHEPSS 98th pctl

7.8

CVSS v2

NVD

Description

The IPv6 implementation in Microsoft Windows 8, Windows Server 2012, and Windows RT does not properly validate packets, which allows remote attackers to cause a denial of service (system hang) via crafted ICMPv6 Router Advertisement packets, aka "TCP/IP Version 6 (IPv6) Denial of Service Vulnerability."

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

32.68%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.