How severe is CVE-2013-2557?

CVE-2013-2557 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-2557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2557?

CVE-2013-2557 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-2557?

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-2013-2557 published?

CVE-2013-2557 was published on 2013-03-11 and last updated on 2026-06-16.

CVE-2013-2557

CVE-2013-2557 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Internet Explorer
Published: 2013-03-11
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-2557?: 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.
How severe is CVE-2013-2557?: CVE-2013-2557 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-2557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2557?: CVE-2013-2557 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-2557?: 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-2013-2557 published?: CVE-2013-2557 was published on 2013-03-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*

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