What is CVE-2006-4777?

CVE-2006-4777 is a vulnerability in Microsoft Ie, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2006-09-14.

Is CVE-2006-4777 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Microsoft Ie

CVE-2006-4777

Heap-based buffer overflow in the DirectAnimation Path Control (DirectAnimation.PathControl) COM object (daxctle.ocx) for Internet Explorer 6.0 SP1, on Chinese and possibly other Windows distributions, allows remote attackers to execute arbitrary code via unknown manipulations in arguments to the KeyFrame method, possibly related to an integer overflow, as demonstrated by daxctle2, and a different vulnerability than CVE-2006-4446.

Vulnerability class: Buffer Overflow

Published 2006-09-14 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.798 (99.6th percentile), scored 2026-10-16.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.798 · newest: 0.798 · change: 0.000

Affected products

Microsoft Ie — versions 6.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

securitytracker.com/id (vdb-entry)
secunia.com/advisories/21910 (Vendor Advisory, third-party-advisory)
securityreason.com/securityalert/1577 (third-party-advisory)
www.us-cert.gov/cas/techalerts/TA06-318A.html (US Government Resource, third-party-advisory)
www.microsoft.com/technet/security/advisory/925444.mspx
www.vupen.com/english/advisories/2006/3593 (vdb-entry, Vendor Advisory)
www.osvdb.org/28842 (vdb-entry)
www.securityfocus.com/archive/1/446246/100/0/threaded (mailing-list)
www.securityfocus.com/archive/1/446084/100/0/threaded (mailing-list)
www.kb.cert.org/vuls/id/377369 (US Government Resource, third-party-advisory)

Frequently asked questions

What is CVE-2006-4777?: CVE-2006-4777 is a vulnerability in Microsoft Ie, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2006-09-14.
Is CVE-2006-4777 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.