CVE-2007-1765
CriticalExploitedPublic exploitUnspecified vulnerability in Microsoft Windows 2000 SP4 through Vista allows remote attackers to execute arbitrary code or cause a denial of service (persistent reboot) via a malformed ANI file, which results in memory corruption when processing cursors, animated cursors, and…
Published Mar 29, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-1765 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Ip600 Media Servers (Avaya), Ie (Microsoft), Internet Explorer (Microsoft) and 7 more products.
- It is exploited in the wild, listed in Industry KEV feed since Mar 30, 2007. Public exploit code is available.
- EPSS estimates a 55% probability of exploitation in the next 30 days.
- Fixed versions are available, including Internet Explorer 6.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2007-1765 brief as a PDF
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Description
Unspecified vulnerability in Microsoft Windows 2000 SP4 through Vista allows remote attackers to execute arbitrary code or cause a denial of service (persistent reboot) via a malformed ANI file, which results in memory corruption when processing cursors, animated cursors, and icons, a similar issue to CVE-2005-0416, as originally demonstrated using Internet Explorer 6 and 7. NOTE: this issue might be a duplicate of CVE-2007-0038; if so, then use CVE-2007-0038 instead of this identifier.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Mar 30, 2007 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
43 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Ip600 Media ServersAvaya | See advisory | n/a |
| IeMicrosoft | 7.0 | n/a |
| Internet ExplorerMicrosoft | See advisory | 6 |
| Definity One Media ServerAvaya | See advisory | n/a |
| S3400Avaya | See advisory | n/a |
Patched Releases
Internet Explorer
6
Timeline
Publicly disclosed
Mar 29, 2007
Added to Industry KEV feed
Mar 30, 2007
Last updated
Apr 22, 2026
References
- advisoryhttp://research.eeye.com/html/alerts/zeroday/20070328.html
- advisoryhttp://www.avertlabs.com/research/blog/?p=230
- advisoryhttp://www.avertlabs.com/research/blog/?p=233
- advisoryhttp://www.microsoft.com/technet/security/advisory/935423.mspx
- advisory23194
FAQ
Common Questions.
Unspecified vulnerability in Microsoft Windows 2000 SP4 through Vista allows remote attackers to execute arbitrary code or cause a denial of service (persistent reboot) via a malformed ANI file, which results in memory corruption when processing cursors, animated cursors, and icons, a similar issue to CVE-2005-0416, a…
Affected: Ip600 Media Servers (Avaya); Ie (Microsoft) versions 7.0; Internet Explorer (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Mar 30, 2007.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Internet Explorer 6.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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