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Security News — 12 August 2026

A daily, automatically-compiled digest of the cyber security stories that broke in the last 24 hours, drawn from 13 trusted feeds. Each entry is a short excerpt — follow the link to read the full article at its original publisher. Compiled 12 August 2026 · 26 items.

Top 5 to watch today

  1. Microsoft Patch Tuesday August 2026, (Tue, Aug 11th) exploited SANS Internet Storm Center (Handler Diary)
  2. Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack exploited The Hacker News
  3. Johnson Controls C-CURE 9000 and Victor application server (Update A) exploited CISA Cybersecurity Advisories
  4. CISA Adds Three Known Exploited Vulnerabilities to Catalog exploited CISA Current Activity
  5. Mira Hormone Monitor, Mira Android App exploited CISA Cybersecurity Advisories

Urgent Vulnerabilities 1

Actively exploited, critical, or high-severity flaws — patch or mitigate first.

CISA Current Activity12 Aug

CISA Adds Three Known Exploited Vulnerabilities to Catalog

KEV · exploited
Exploited
Yes — CISA KEV
Product
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD)
Impact
Denial of service
Audience
Network/firewall admins
Action
Patch per vendor / CISA KEV

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Firewall Threat Defense (F…

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Threat Activity 16

Malware, campaigns and adversary tradecraft.

CISA Cybersecurity Advisories12 Aug

Mira Hormone Monitor, Mira Android App

KEV · exploited

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to access unauthorized health profile information, make changes to health information, cause a denial-of-service condition, disclose session token i…

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Krebs on Security12 Aug

Microsoft Plugs Nearly 400 Security Holes

Exploited

Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly det…

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CISA Cybersecurity Advisories12 Aug

Pulsetto Vagus Nerve Stimulator

KEV · exploited

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to use hidden commands to disable electrical safety mechanisms or modify other stimulation output settings. The following versions of Pulsetto Vagus Ne…

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Breaches & Incidents 2

Ransomware, data breaches and supply-chain events.

Research & Detection 2

Detection engineering, tooling and defensive analysis.

SANS Internet Storm Center (Handler Diary)12 Aug

Microsoft Patch Tuesday August 2026, (Tue, Aug 11th)

Exploited

This month we got patches for 418 vulnerabilities. Of these, 62 are critical, 1 is being exploited in the wild, and 2 were publicly disclosed as zero-days. Notable fixes include Windows privilege escalation, container tampering, and critic…

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Policy & Commentary 5

Industry, executive and AI-security perspective.

Schneier on Security12 Aug

AI Genie in the Wild

Exploited

When I give talks about AI genies , I use this sort of example as a hypothetical. It’s happened . The story is from Australia. Someone named Andrew tasked OpenClaw to book gym classes for him. And…. Minutes later, his AI agent reported it…

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Daniel Miessler12 Aug

Creativity vs. Consumption

Charcoal sketch of a seated figure whose left arm dissolves into a cascade of purple glowing phones while their right hand builds a warm wooden tower/images/creativity-vs-consumption-header.webp/images/creativity-vs-consumption-header.webp…

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Daniel Miessler12 Aug

Where an AI Watermark Can Hide in Plain Text

Diagram of the four layers a text watermark can live in, from encoding down to meaning, with the two bypasses canonical regeneration and prose rewriting crossing out the layers they strip/images/where-watermarks-hide-in-text-layers.webp/im…

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Daniel Miessler12 Aug

"Nobody Asked for A.I." Is a Stupid Argument

Charcoal sketch of a colossal kneeling figure made of hundreds of interlocking hands, reaching down with open palms toward a vast crowd of suffering people/images/nobody-asked-for-ai-header.webp/images/nobody-asked-for-ai-header.webp With…

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Schneier on Security12 Aug

AI for Military Support

Interesting empirical research: “ Black Box Warfare: Human Judgment and Military Decision-Making in the Age of AI .” Abstract: How is AI transforming decision-making in modern conflict? This study provides a unique empirical window into th…

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