CVE-2007-0427

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 31.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-01-23 · updated 2026-06-16

Description

Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.

Affected products

Microsoft Html Help Workshop: 4.03.0002

References

http://osvdb.org/31899
http://secunia.com/advisories/23862
http://securityreason.com/securityalert/2177
http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp
http://www.securityfocus.com/archive/1/457436/100/0/threaded
http://www.securityfocus.com/bid/22135
http://osvdb.org/31899
http://secunia.com/advisories/23862
http://securityreason.com/securityalert/2177
http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp
http://www.securityfocus.com/archive/1/457436/100/0/threaded
http://www.securityfocus.com/bid/22135

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