CVE-2011-1246

CVE-2011-1246 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Description

Microsoft Internet Explorer 8 does not properly handle content settings in HTTP responses, which allows remote web servers to obtain sensitive information from a different (1) domain or (2) zone via a crafted response, aka "MIME Sniffing Information Disclosure Vulnerability."

Frequently asked questions

What is CVE-2011-1246?
Microsoft Internet Explorer 8 does not properly handle content settings in HTTP responses, which allows remote web servers to obtain sensitive information from a different (1) domain or (2) zone via a crafted response, aka "MIME Sniffing Information Disclosure Vulnerability."
How severe is CVE-2011-1246?
CVE-2011-1246 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1246 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1246?
CVE-2011-1246 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1246?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1246 published?
CVE-2011-1246 was published on 2011-06-16 and last updated on 2026-06-16.

References

Affected products (1)

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