CVE-2012-2557: microsoft internet_explorer Resource Management Errors
Vulnerability summary
CVE-2012-2557 is a high (CVSS 9.3) Resource Management Errors vulnerability in microsoft internet_explorer. EPSS estimates a 19.50% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities.
Not severe (CVSS 9.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 21-09-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
19.50%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
No change 0.00 pp
From 19.50% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Microsoft1 product
- internet_explorerEOL6 | 6:beta1 | 6:sp1 | 6:sp2 | 6:sp3 | 7 | 7:beta1 | 7:beta2 | 7:beta3 | 7:rc1 | 8 | 8:beta1 | 8:beta2 | 8:rc1 | 9
1 vendor · 1 product
References
5 links- www.us-cert.gov/cas/techalerts/TA12-255A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15745VDB EntrySignatureX Refsource OVAL
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-063Vendor AdvisoryX Refsource MS