How severe is CVE-2011-1962?

CVE-2011-1962 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-1962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1962?

CVE-2011-1962 primarily affects Microsoft Internet Explorer. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1962?

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

When was CVE-2011-1962 published?

CVE-2011-1962 was published on 2011-08-10 and last updated on 2026-06-16.

CVE-2011-1962

CVE-2011-1962 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Internet Explorer
Published: 2011-08-10
Last modified: 2026-06-16

Description

Microsoft Internet Explorer 6 through 9 does not properly handle unspecified character sequences, which allows remote attackers to read content from a different (1) domain or (2) zone via a crafted web site that triggers "inactive filtering," aka "Shift JIS Character Encoding Vulnerability."

Frequently asked questions

What is CVE-2011-1962?: Microsoft Internet Explorer 6 through 9 does not properly handle unspecified character sequences, which allows remote attackers to read content from a different (1) domain or (2) zone via a crafted web site that triggers "inactive filtering," aka "Shift JIS Character Encoding Vulnerability."
How severe is CVE-2011-1962?: CVE-2011-1962 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1962?: CVE-2011-1962 primarily affects Microsoft Internet Explorer. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1962?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1962 published?: CVE-2011-1962 was published on 2011-08-10 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*

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