Is CVE-2007-0878 in the CISA KEV catalog?

No. CVE-2007-0878 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-0878?

CVE-2007-0878 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2007-0878?

CVE-2007-0878 has an EPSS score of 19.89% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2007-0878

HIGHEPSS 97th pctl

7.8

CVSS v2

NVD

Description

Unspecified vulnerability in Microsoft Internet Explorer on Windows Mobile 5.0 allows remote attackers to cause a denial of service (loss of browser and other device functionality) via a malformed WML page, related to an "overflow state." NOTE: it is possible that this issue is related to CVE-2007-0685.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

19.89%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% 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 2026-04-23.