ISC Stormcast For Wednesday, June 17th, 2026 https://isc.sans.edu/podcastdetail/9976, (Wed, Jun 17th)
2026-06-17T13:23:53Z•2efa92dfcc7a8edfc778607bbeacde7ac5a9f471711c9090053f23a9ab1bf330
CSPChromiumEdgeEvil-MSIMicrosoft-Patch-TuesdayRATRemcosSANS-ISCSHA256VHDXWindows-auto-mountX-Frame-Optionscloud-securitycritical-vulnerabilitiesframe-ancestorsimage-steganographymalicious-zipmalwarepatchesthreat-intel
What happened
SANS ISC diary roundup (mid-June 2026) highlights several security items: a malicious ZIP (SHA256 a0104921a2d37ab87482ac9a9f5c3713479c118846c3e999178e75b81620c094) containing a VHDX that, when auto-mounted on modern Windows, exposes malicious JavaScript and ultimately delivers a Remcos RAT; Microsoft’s June 2026 Patch Tuesday addressing 204 vulnerabilities (38 critical, 3 previously disclosed), including 360 Chromium fixes incorporated into Edge and six cloud-only Microsoft issues; plus additional posts on an “Evil MSI Background” image-based malware analysis, a study of X-Frame-Options/CSP (‑
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- 2efa92dfcc7a8edfc778607bbeacde7ac5a9f471711c9090053f23a9ab1bf330
- Enrichment time
- 2026-06-17T13:23:53Z
- AI-assisted enrichment
- Yes
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