Vulnerabilitycritical
Laundry Bear's new Microsoft Exchange attack triggers on email open (CVE-2026-42897)
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-42897 | Cross-Site Scripting in Microsoft Exchange Server Actively Exploited by Laundry Bear | 6.1 | 71% | KEV | KEV |
From the original article
3 min read at helpnetsecurity.com
Russia-affiliated cyber espionage group Laundry Bear (aka Void Blizzard, aka TA488) is exploiting CVE-2026-42897, a cross-site scripting vulnerability in Microsoft Exchange, to target US and European government entities and a variety of private sector organizations via email. The warning comes from Proofpoint, who detected emails carrying the concealed exploit hitting inboxes.
By @zeljkazorz · helpnetsecurity.com
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