CVE-2007-3027

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 34.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-06-12 · updated 2026-06-16

Description

Race condition in Microsoft Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code by causing Internet Explorer to install multiple language packs in a way that triggers memory corruption, aka "Language Pack Installation Vulnerability."

Affected products

Microsoft Internet Explorer 11: 5.01-sp4, 6-sp1, 6, 7.0

References

http://osvdb.org/35350
http://secunia.com/advisories/25627
http://securitytracker.com/id?1018235
http://www.securityfocus.com/archive/1/471209/100/0/threaded
http://www.securityfocus.com/archive/1/471947/100/0/threaded
http://www.securityfocus.com/bid/24429
http://www.us-cert.gov/cas/techalerts/TA07-163A.html
http://www.vupen.com/english/advisories/2007/2153
http://www.zerodayinitiative.com/advisories/ZDI-07-037.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-033
https://exchange.xforce.ibmcloud.com/vulnerabilities/34621
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1902

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