Threat actors
Void Blizzard
crimewareRUvia MISP
2 CVEs attributed
Aliases4
LAUNDRY BEARLaundry BearTA488UAC-0190
Void Blizzard’s cyberespionage operations tend to be highly targeted at specific organizations of interest to the Russian government, including in government, defense, transportation, media, non-governmental organizations (NGOs), and healthcare sectors primarily in Europe and North America. The threat actor uses stolen credentials—which are likely procured from commodity infostealer ecosystems—and collects a high volume of email and files from compromised organizations.
Attributed CVEs2
| CVE | Description | Severity | EPSS | Flags | Modified |
|---|---|---|---|---|---|
| CVE-2026-42897 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. | MEDIUM6.1 | 71%p99 | KEVPoC | 2026-08-10 |
| CVE-2025-66376 | Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message. | MEDIUM6.1 | 19%p97 | KEV | 2026-06-17 |