How severe is CVE-2016-3212?

CVE-2016-3212 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-3212 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3212?

CVE-2016-3212 primarily affects Microsoft Internet Explorer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3212?

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

When was CVE-2016-3212 published?

CVE-2016-3212 was published on 2016-06-16 and last updated on 2026-06-17.

CVE-2016-3212

CVE-2016-3212 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Internet Explorer
Published: 2016-06-16
Last modified: 2026-06-17

Description

The XSS Filter in Microsoft Internet Explorer 9 through 11 does not properly identify JavaScript, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site, aka "Internet Explorer XSS Filter Vulnerability."

Frequently asked questions

What is CVE-2016-3212?: The XSS Filter in Microsoft Internet Explorer 9 through 11 does not properly identify JavaScript, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site, aka "Internet Explorer XSS Filter Vulnerability."
How severe is CVE-2016-3212?: CVE-2016-3212 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-3212 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3212?: CVE-2016-3212 primarily affects Microsoft Internet Explorer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3212?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3212 published?: CVE-2016-3212 was published on 2016-06-16 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*

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