CVE-2012-2557
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers...
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "cloneNode Use After Free Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "cloneNode Use After Free Vulnerability."
- Record
CVE-2012-2557- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "cloneNode Use After Free Vulnerability."
- Record
CVE-2012-2557- Updated
- 2026-11-02
EUVDEUVD-2012-2543 No score
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "cloneNode Use After Free Vulnerability."
- Record
EUVD-2012-2543- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hfrw-j79g-j786 No score
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers...
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "cloneNode Use After Free Vulnerability."
- Record
GHSA-hfrw-j79g-j786- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-2557 is a high vulnerability (CVSS 9.3) in Microsoft Internet Explorer, published September 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 19.5%, the 97th percentile. No source names a fixed version.
References
securitytracker.com/id?1027555
us-cert.gov/cas/techalerts/TA12-255A.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15745
docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-063
securityfocus.com/bid/55647
nvd.nist.gov/vuln/detail/CVE-2012-2557
github.com/advisories/GHSA-hfrw-j79g-j786