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HIGH: Microsoft — 974 security patches in single batch; four new CVEs disclosed◆HIGH: LastPass — fake installers via GitHub deploy kernel EDR killer (Rapuncel stealer)◆HIGH: TASK#STOMP — PowerShell backdoor auto-harvests documents, WiFi creds, clipboard◆HIGH: Clop ransomware — ShinyHunters hijacks dark web leak site, threatens victim data◆HIGH: OpenAI Codex sandbox escape enables host command execution; patch released [7]◆HIGH: Hacktron used Claude Opus 5 to chain OpenAI flaws, accessed employee accounts [1,28]◆HIGH: Orkes Conductor pre-auth RCE (CVE-2026-58138) actively exploited; CVSS 9.8 [5]◆HIGH: ShinyHunters breach Clop ransomware leak site, steal private keys [10]◆HIGH: Microsoft — 974 security patches in single batch; four new CVEs disclosed◆HIGH: LastPass — fake installers via GitHub deploy kernel EDR killer (Rapuncel stealer)◆HIGH: TASK#STOMP — PowerShell backdoor auto-harvests documents, WiFi creds, clipboard◆HIGH: Clop ransomware — ShinyHunters hijacks dark web leak site, threatens victim data◆HIGH: OpenAI Codex sandbox escape enables host command execution; patch released [7]◆HIGH: Hacktron used Claude Opus 5 to chain OpenAI flaws, accessed employee accounts [1,28]◆HIGH: Orkes Conductor pre-auth RCE (CVE-2026-58138) actively exploited; CVSS 9.8 [5]◆HIGH: ShinyHunters breach Clop ransomware leak site, steal private keys [10]◆

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HIGH/ SEPTEMBER 22, 2026TODAY’S BRIEFING — #186

Microsoft’s record patch batch; fake LastPass installer deploys kernel EDR killer

Microsoft released 974 security patches; fake LastPass installers deliver Microsoft-signed kernel driver disabling antivirus; Google fined €403M for GDPR location data violations.

CVE-2026-69730Microsoft Windows — Patched in September 2026 batch; details limited CVE-2026-69829Microsoft Windows 10 1607 — Patched in September 2026 batch; details limited CVE-2026-81963Microsoft Windows 11 23h2 — Patched in September 2026 batch; details limited CVE-2026-85880Microsoft Windows 10 1607 — Patched in September 2026 batch; details limited

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186 briefings published

27 vuln reports

59 tools indexed

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CVE	Product	CVSS	Exploited	Patch
CVE-2026-76460	Cisco Identity Services Engine	10	KEV	advisory
CVE-2026-20079	Cisco Secure Firewall Management Center (FMC) And Security Cloud Control (SCC) Firewall Management	10	KEV	advisory
CVE-2026-85706	GitLab Community Edition And Enterprise Edition	10	KEV	—
CVE-2026-75650	Adobe Commerce And Magento	10	KEV	✓ available
CVE-2026-49869	Kestra OSS	10	KEV	advisory

KEV = listed in CISA catalog · IN WILD = active exploitation reported · PoC = public exploit code

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HighSeptember 22, 2026

Microsoft’s record patch batch; fake LastPass installer deploys kernel EDR killer

Microsoft released 974 security patches; fake LastPass installers deliver Microsoft-signed kernel driver disabling antivirus; Google fined €403M for GDPR location data violations.

Vuln ExploitMalwareCredential TheftRansomwareTechnology

HighSeptember 21, 2026

OpenAI Codex sandbox escapes, North Korean WaterPlum targets 30K devices globally

Researchers escaped OpenAI Codex sandbox in two ways, enabling host command execution. North Korean WaterPlum campaign infected 30,000 devices and stole $10.7M in cryptocurrency. Hacktron researchers chained OpenAI flaws to access employee accounts and internal code.

Zero-DayAPTCredential TheftSupply ChainTechnology

HighSeptember 20, 2026

SolarWinds, Orkes RCE flaws under exploitation; Linux kernel vulnerabilities added to CISA KEV

SolarWinds ARM hard-coded key flaw (CVE-2026-28326, CVSS 8.8) patched; Orkes Conductor pre-auth RCE (CVE-2026-58138, CVSS 9.8/9.3) actively exploited in wild. Three Linux kernel vulnerabilities added to CISA KEV catalog. Gyazo breach impacts 23.6 million users.

Vuln ExploitData BreachCredential TheftTechnology

HighSeptember 19, 2026

Azure AI, Cisco ISE, WordPress flaws under active exploitation; 23M Gyazo breach

Microsoft patches CVSS 10.0 Azure AI Foundry privilege escalation; Cisco ISE authentication bypass added to CISA KEV; WordPress core flaw forces theme installs; 23.6M Gyazo user records stolen via server vulnerability.

Vuln ExploitData BreachSupply ChainMalwareTechnologyGovernmentDefense

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Microsoft&rsquo;s record patch batch; fake LastPass installer deploys kernel EDR killer

Critical vulnerabilities

Daily briefings

Microsoft&rsquo;s record patch batch; fake LastPass installer deploys kernel EDR killer

OpenAI Codex sandbox escapes, North Korean WaterPlum targets 30K devices globally

SolarWinds, Orkes RCE flaws under exploitation; Linux kernel vulnerabilities added to CISA KEV

Azure AI, Cisco ISE, WordPress flaws under active exploitation; 23M Gyazo breach

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Microsoft’s record patch batch; fake LastPass installer deploys kernel EDR killer

Microsoft’s record patch batch; fake LastPass installer deploys kernel EDR killer