ISC Stormcast For Tuesday, May 19th, 2026 https://isc.sans.edu/podcastdetail/9936, (Tue, May 19th)
2026-05-19T19:23:47Z•252037f21ab70a37dd32fc5e64ad4bb6f8c3c14baa5eaa66491826911154aff8
TeamPCPcheckmarxchromiumemail-securityexe-trafficjenkins-plugin-compromiselink-preview-bypassmalware-librariesmalware-signaturesmicrosoft-edgemicrosoft-patch-tuesdaymini-shai-huludnpmoutlookproxyingpypisupply-chainworm
What happened
The ISC SANS diary collection for mid-May 2026 highlights an active TeamPCP supply-chain campaign: an officially confirmed compromise of a Checkmarx Jenkins plugin and the emergence of a self‑spreading "Mini Shai‑Hulud" worm propagating through both npm and PyPI repositories. Microsoft’s May 2026 Patch Tuesday addressed 137 vulnerabilities (including 137 Chromium-related Edge issues). Other entries cover operational detections and mitigations: an Outlook Junk-folder link‑preview bypass that affects how links are displayed, the need to update detection signatures for new malware libraries, and绕
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- 252037f21ab70a37dd32fc5e64ad4bb6f8c3c14baa5eaa66491826911154aff8
- Enrichment time
- 2026-05-19T19:23:47Z
- AI-assisted enrichment
- Yes
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