CVE-2007-3091

CVE-2007-3091 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 7.1. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-362.

Key facts

Description

Race condition in Microsoft Internet Explorer 6 SP1; 6 and 7 for Windows XP SP2 and SP3; 6 and 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 allows remote attackers to execute arbitrary code or perform other actions upon a page transition, with the permissions of the old page and the content of the new page, as demonstrated by setInterval functions that set location.href within a try/catch expression, aka the "bait & switch vulnerability" or "Race Condition Cross-Domain Information Disclosure Vulnerability."

Frequently asked questions

What is CVE-2007-3091?
Race condition in Microsoft Internet Explorer 6 SP1; 6 and 7 for Windows XP SP2 and SP3; 6 and 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 allows remote attackers to execute arbitrary code or perform other actions upon a page transition, with the permissions of the old page and the content of the new page, as demonstrated by setInterval functions that set location.href within a try/catch expression, aka the "bait & switch vulnerability" or "Race Condition Cross-Domain Information Disclosure Vulnerability."
How severe is CVE-2007-3091?
CVE-2007-3091 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2007-3091 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3091?
CVE-2007-3091 primarily affects Microsoft Internet Explorer. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3091?
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-2007-3091 published?
CVE-2007-3091 was published on 2007-06-06 and last updated on 2026-06-16.

References

Affected products (23)

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