CVE•Published 2007-07-27•Modified 2026-04-23•1 article on news•6 live references•NVD data

CVE-2007-4040Microsoft · Outlook

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS percentile

—

Weaknesses (CWE)

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Description

Argument injection vulnerability involving Microsoft Outlook and Outlook Express, when certain URIs are registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in an unspecified URI, which are inserted into the command line when invoking the handling process, a similar issue to CVE-2007-3670.

Timeline

Published 2007-07-27

Modified 2026-04-23

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2007-4040

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Microsoft Outlook"

All exposed Microsoft Outlook instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Outlook"

HTTP body or banner mentions "Outlook" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2007-4040