CVE-2011-1345
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows...
CVE-2011-1345 is a high vulnerability (CVSS 9.3) in Microsoft Internet Explorer, published March 10, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 40.9%, the 98th percentile. No source names a fixed version.
- Severity
- 9.3 HighCVSS 2.0, NVD
- Exploit chance
- 40.9%EPSS, 98th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."
Exploit likelihood
Affected products
What each source reports
NVD Score used
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."
- Record
CVE-2011-1345- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."
- Record
CVE-2011-1345- Updated
- 2026-11-02
EUVDEUVD-2011-1352No score
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."
- Record
EUVD-2011-1352- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mx8g-6g6q-2p9cNo score
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows...
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."
- Record
GHSA-mx8g-6g6q-2p9c- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
us-cert.gov/cas/techalerts/TA11-102A.html
twitter.com/msftsecresponse/statuses/45646985998516224
securitytracker.com/id?1025327
docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-018
dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
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computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
securityfocus.com/bid/46821
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12228
threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011
exchange.xforce.ibmcloud.com/vulnerabilities/66062
zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367
nvd.nist.gov/vuln/detail/CVE-2011-1345
github.com/advisories/GHSA-mx8g-6g6q-2p9c