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CVE-2011-1345
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary…
High9.3EPSS 40.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 40.9% · top 1.3% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (12)
- TA11-102A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://twitter.com/msftsecresponse/statuses/45646985998516224 (opens in a new tab)x_refsource_MISCx_transferred
- http://twitter.com/aaronportnoy/statuses/45642180118855680 (opens in a new tab)x_refsource_MISCx_transferred
- 1025327 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS11-018 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own (opens in a new tab)x_refsource_MISCx_transferred
- 46821 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- oval:org.mitre.oval:def:12228 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011 (opens in a new tab)x_refsource_MISCx_transferred
- ms-ie-unspec-code-exec(66062) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3-vulnerabilities/8367 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .