CVE-2007-2222

CVE-2007-2222 is a critical-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 58% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Multiple buffer overflows in the (1) ActiveListen (Xlisten.dll) and (2) ActiveVoice (Xvoice.dll) speech controls, as used by Microsoft Internet Explorer 5.01, 6, and 7, allow remote attackers to execute arbitrary code via a crafted ActiveX object that triggers memory corruption, as demonstrated via the ModeName parameter to the FindEngine function in ACTIVEVOICEPROJECTLib.DirectSS.

Frequently asked questions

What is CVE-2007-2222?
Multiple buffer overflows in the (1) ActiveListen (Xlisten.dll) and (2) ActiveVoice (Xvoice.dll) speech controls, as used by Microsoft Internet Explorer 5.01, 6, and 7, allow remote attackers to execute arbitrary code via a crafted ActiveX object that triggers memory corruption, as demonstrated via the ModeName parameter to the FindEngine function in ACTIVEVOICEPROJECTLib.DirectSS.
How severe is CVE-2007-2222?
CVE-2007-2222 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-2222 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2222?
CVE-2007-2222 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-2007-2222?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-2222 published?
CVE-2007-2222 was published on 2007-06-12 and last updated on 2026-06-16.

References

Affected products (4)

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