CVE-2012-2521 is a critical remote code execution vulnerability affecting Microsoft Internet Explorer versions 6 through 9. It stems from improper memory handling, allowing attackers to execute arbitrary code by accessing a deleted object. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but granting complete confidentiality, integrity, and availability compromise. Despite its age and high severity, there is no public exploit intelligence, nor is it listed in CISA's KEV catalog, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* | ||
7CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* | ||
8CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* | ||
9CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.