APT28 Exploits MSHTML Zero-Day Vulnerability in Windows
Article Content
Browse articles
APT28 has actively exploited a zero-day vulnerability in MSHTML affecting all Windows versions, which has a CVSS score of 8.8. The vulnerability allows for security bypass and poses significant risks to users. A patch was released in February 2026 to address this issue.
Ask AI about this cluster
Answers cite the sources they use
Updated 213d ago How this analysis works
Timeline
2026-02-01
Patch released for MSHTML zero-day vulnerability
2026-03-02
APT28 exploits MSHTML zero-day vulnerability
More articles in this cluster (4)
Following this threat?
Track APT28 and CVE-2026-21513 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
2026 AV-Comparatives EPR Test Results Released AV-Comparatives published the results of its 2026 Endpoint Prevention and Response (EPR) Test, evaluating 14 enterprise security products against 50 multi-stage attack scenarios. The test, which ran from May to August 2026, incorporated AI-assisted techniques and followed the MITRE ATT&CK framework. Eleven products…
CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active…