Is CVE-2013-2557 in the CISA KEV catalog?

No. CVE-2013-2557 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-2557?

CVE-2013-2557 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2013-2557?

CVE-2013-2557 has an EPSS score of 10.95% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-2557

HIGHEPSS 95th pctl

7.5

CVSS v2

NVD

Description

The sandbox protection mechanism in Microsoft Internet Explorer 9 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, as demonstrated against Adobe Flash Player by VUPEN during a Pwn2Own competition at CanSecWest 2013.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.95%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% 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.