CVE-2007-2222
CriticalPublic exploitMultiple 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,…
Published Jun 12, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-2222 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Internet Explorer (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 55% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
55%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 5.01-sp4, 6, 6-sp1, 7.0 | n/a |
Timeline
Publicly disclosed
Jun 12, 2007
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory25627
- advisoryADV-2007-2153
- exploitExploitDB-4065
- exploitExploitDB-4066
- other35353
FAQ
Common Questions.
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 parame…
Affected: Internet Explorer (Microsoft) versions 5.01-sp4, 6, 6-sp1, 7.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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