CVE-2011-1345
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary…
- 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."
Timeline
ID reserved
By mitre
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (8 Nov 2026)
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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1345)Record last updated .