CVE-2011-1986 is a critical use-after-free vulnerability in Microsoft Excel 2003 SP3, allowing remote attackers to execute arbitrary code through specially crafted spreadsheets. With a CVSS score of 9.3, it presents a high severity risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its age and high risk score, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. The vulnerability is not listed in CISA's KEV catalog, and its Hot List status is Inactive.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2003CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:* |
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, 0.0 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.