Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not intended for use within Internet Explorer, as originally demonstrated using the (1) DDS Library Shape Control (Msdds.dll) COM object, and other objects including (2) Blnmgrps.dll, (3) Ciodm.dll, (4) Comsvcs.dll, (5) Danim.dll, (6) Htmlmarq.ocx, (7) Mdt2dd.dll (as demonstrated using a heap corruption attack with uninitialized memory), (8) Mdt2qd.dll, (9) Mpg4ds32.ax, (10) Msadds32.ax, (11) Msb1esen.dll, (12) Msb1fren.dll, (13) Msb1geen.dll, (14) Msdtctm.dll, (15) Mshtml.dll, (16) Msoeacct.dll, (17) Msosvfbr.dll, (18) Mswcrun.dll, (19) Netshell.dll, (20) Ole2disp.dll, (21) Outllib.dll, (22) Psisdecd.dll, (23) Qdvd.dll, (24) Repodbc.dll, (25) Shdocvw.dll, (26) Shell32.dll, (27) Soa.dll, (28) Srchui.dll, (29) Stobject.dll, (30) Vdt70.dll, (31) Vmhelper.dll, and (32) Wbemads.dll, aka a variant of the "COM Object Instantiation Memory Corruption vulnerability."
CVE-2005-2127
- High exploitation likelihood — EPSS 64%
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
- 99.1%
- KEV
- Not listed
Published
August 19, 2005
Last Modified
April 16, 2026
References (56)
- secure@microsofthttp://isc.sans.org/diary.php?date=2005-08-18
- secure@microsofthttp://secunia.com/advisories/16480
- secure@microsofthttp://secunia.com/advisories/17172
- secure@microsofthttp://secunia.com/advisories/17223
- secure@microsofthttp://secunia.com/advisories/17509
- secure@microsofthttp://securityreason.com/securityalert/72
- secure@microsofthttp://securitytracker.com/id?1014727
- secure@microsofthttp://support.avaya.com/elmodocs2/security/ASA-2005-214.pdf
- secure@microsofthttp://www.kb.cert.org/vuls/id/740372
- secure@microsofthttp://www.kb.cert.org/vuls/id/898241
- secure@microsofthttp://www.kb.cert.org/vuls/id/959049
- secure@microsofthttp://www.microsoft.com/technet/security/advisory/906267.mspx
- secure@microsofthttp://www.securityfocus.com/archive/1/470690/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/14594
- secure@microsofthttp://www.securityfocus.com/bid/15061
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× 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.
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-26167✓ verifiedFirst seen Aug 17, 2005
Microsoft Visual Studio .NET - 'msdds.dll' Remote Code Execution
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-119
Frequently asked(4)
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