How severe is CVE-2009-2064?

CVE-2009-2064 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-2064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2064?

CVE-2009-2064 primarily affects Microsoft Internet Explorer. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2064?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-2064 published?

CVE-2009-2064 was published on 2009-06-15 and last updated on 2026-06-16.

CVE-2009-2064

CVE-2009-2064 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 6.8. 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Microsoft Internet Explorer
Published: 2009-06-15
Last modified: 2026-06-16

Description

Microsoft Internet Explorer 8, and possibly other versions, detects http content in https web pages only when the top-level frame uses https, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying an http page to include an https iframe that references a script file on an http site, related to "HTTP-Intended-but-HTTPS-Loadable (HPIHSL) pages."

Frequently asked questions

What is CVE-2009-2064?: Microsoft Internet Explorer 8, and possibly other versions, detects http content in https web pages only when the top-level frame uses https, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying an http page to include an https iframe that references a script file on an http site, related to "HTTP-Intended-but-HTTPS-Loadable (HPIHSL) pages."
How severe is CVE-2009-2064?: CVE-2009-2064 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-2064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2064?: CVE-2009-2064 primarily affects Microsoft Internet Explorer. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2064 published?: CVE-2009-2064 was published on 2009-06-15 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:microsoft:internet_explorer:*:beta2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:sp4:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7.0.5730:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8:beta1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8.0b:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:1.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:1.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:2.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:3.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:2002:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:pocket_ie:2003:*:*:*:*:*:*:*

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