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.
CVE-2007-2222
- High exploitation likelihood — EPSS 58%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.0%
- KEV
- Not listed
Published
June 12, 2007
Last Modified
April 23, 2026
References (28)
- secure@microsofthttp://osvdb.org/35353
- secure@microsofthttp://retrogod.altervista.org/win_speech_2k_sp4.html
- secure@microsofthttp://retrogod.altervista.org/win_speech_xp_sp2.html
- secure@microsofthttp://secunia.com/advisories/25627
- secure@microsofthttp://securitytracker.com/id?1018235
- secure@microsofthttp://www.exploit-db.com/exploits/4065
- secure@microsofthttp://www.kb.cert.org/vuls/id/507433
- secure@microsofthttp://www.securityfocus.com/archive/1/471947/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/24426
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA07-163A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2007/2153
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-033
- secure@microsofthttps://exchange.xforce.ibmcloud.com/vulnerabilities/34630
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2031
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/35353
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 1× in last 7d / 25× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-08 15:09 UTCEPSS rescore
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-02 14:00 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:18 UTCEPSS rescore
- 2026-06-28 04:52 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:01 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
Show 26 moreShow fewer
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 02:20 UTCEG score recompute
- 2026-05-31 02:19 UTCGHSA enrichment
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-4065✓ verifiedFirst seen Jun 13, 2007
Microsoft Speech API ActiveX Control (Windows 2000 SP4) - Remote Buffer Overflow (MS07-033)
Open source ↗ - Exploit-DBEDB-4066✓ verifiedFirst seen Jun 13, 2007
Microsoft Speech API ActiveX Control (Windows XP SP2) - Remote Buffer Overflow (MS07-033)
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-119
Frequently asked(4)
What is CVE-2007-2222?
When was CVE-2007-2222 disclosed?
Is CVE-2007-2222 actively exploited?
How do I remediate CVE-2007-2222?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2007-2222
Is Your Infrastructure Affected by CVE-2007-2222?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.