Skip to content
CVE Tracker
Back

CVE-2005-4840

The Outlook Express Address Book control, when using Internet Explorer 6, allows remote attackers to cause a denial of service (NULL…

Medium4.3EPSS 11.5%
Published
Updated
Reserved
Assigned by
mitre

Description

The Outlook Express Address Book control, when using Internet Explorer 6, allows remote attackers to cause a denial of service (NULL dereference and browser crash) by creating the OutlookExpress.AddressBook COM object, which is not intended for use within Internet Explorer.

Scores

CVSS scores of CVE-2005-4840, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS (exploitation in 30 days)
11.5% · top 4.0% of all CVEs (3 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • n/a

    • affected n/a

References (5)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .