Another bug hunter leaks Microsoft exploits in defiance of company’s handling of vulnerability disclosures

2026-06-03T19:24:03Z80a08a5e473d9718325f15712868edf543eb69b6fe47707eb8d5d05aceed2289
active-exploitationai-securitydata-breachexploit-leakincident-responsenpm-malwareprompt-injectionransomwareremote-code-executionsupply-chainthreat-actorsvulnerability-disclosurezero-day

What happened

Roundup of The Register security reporting (late May–early June 2026): a contentious disclosure environment saw a bug hunter publicly leaking Microsoft 0‑day exploits amid a feud with Redmond, and multiple actively exploited vulnerabilities (notably a Palo Alto PAN‑OS VPN authentication bypass and a critical RCE in Gogs with an exploit module available). Supply‑chain and package ecosystem attacks featured prominently — malicious npm packages impersonating OpenSearch/Elasticsearch libraries and Shai‑Hulud malware infecting Red Hat npm packages — alongside large data breaches (ShinyHunters hits,

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
theregister_security
Record identifier
80a08a5e473d9718325f15712868edf543eb69b6fe47707eb8d5d05aceed2289
Enrichment time
2026-06-03T19:24:03Z
AI-assisted enrichment
Yes

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Record · Another bug hunter leaks Microsoft exploits in defiance of company’s handling of vulnerability disclosures · Baitaphish