CVE-2012-1891 is a critical heap-based buffer overflow vulnerability affecting Microsoft Data Access Components (MDAC) and Windows Data Access Components (WDAC) across various Windows operating systems. This flaw allows remote attackers to execute arbitrary code by sending specially crafted XML data that exploits an uninitialized object in memory. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.8CPE matchmatch criteria | cpe:2.3:a:microsoft:data_access_components:2.8:sp1:*:*:*:*:*:* | ||
2.8CPE matchmatch criteria | cpe:2.3:a:microsoft:data_access_components:2.8:sp2:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:a:microsoft:windows_data_access_components:6.0:*:*:*:*:*:*:* |
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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
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.