CVE-2014-1776 is a critical use-after-free vulnerability affecting Microsoft Internet Explorer versions 6 through 11, specifically related to the CMarkup::IsConnectedToPrimaryMarkup function. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through memory corruption. With a CVSS score of 9.8 (CRITICAL) and an EPSS score indicating high exploitability, it poses a significant risk. The vulnerability has been actively exploited in the wild since April 2014, as confirmed by its inclusion in CISA's KEV catalog, and has garnered substantial community discussion and 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:*:*:*:*:*:*:* | ||
10CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.