CVE-2012-1876

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 65.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-06-12 · updated 2026-06-16
Weakness: CWE-94

Description

Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution Vulnerability," as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012.

Affected products

Microsoft Internet Explorer 11: 6, 7, 8, 9

References

http://arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars
http://pwn2own.zerodayinitiative.com/status.html
http://twitter.com/vupen/statuses/177895844828291073
http://www.us-cert.gov/cas/techalerts/TA12-164A.html
http://www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15539
http://arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars
http://pwn2own.zerodayinitiative.com/status.html
http://twitter.com/vupen/statuses/177895844828291073
http://www.us-cert.gov/cas/techalerts/TA12-164A.html
http://www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621

Get alerted when CVE-2012-1876 or the next vulnerability affects your stack