March 28, 2022 · Applied Cybernetics Group
CVE-2013-2551 Microsoft Internet Explorer
known ransomware use
Microsoft Internet Explorer Use-After-Free Vulnerability
- Added to KEV
2022-03-28- Federal due date
2022-04-18- Vendor
- Microsoft
- Product
- Internet Explorer
- EPSS
- 99.5th percentile (score 0.741, as of
2026-11-06) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2013-2551
CISA short description
Use-after-free vulnerability in Microsoft Internet Explorer allows remote attackers to execute remote code via a crafted web site that triggers access to a deleted object.
Required action
Apply updates per vendor instructions.