Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography. [...]
An anonymous security researcher who uses the "Nightmare Eclipse" handle released a CrowdStrike Falcon zero-day exploit named "FalconFlank" that lets attackers escalate privileges on up-to-date Windows systems. [...]
Zero-day
Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]
Google has updated the Chrome browser to address an actively exploited high-severity zero-day flaw in the V8 engine and 11 other vulnerabilities. [...]
Active exploitationZero-day
France's data protection authority (CNIL) has fined Hôpital privé de la Loire €500,000 ($580,000) for failing to adequately protect patients' and their relatives' data. [...]
Attackers compromised Coder's Cloudflare infrastructure and added unauthorized registry servers that delivered malicious Terraform modules containing credential-stealing code. [...]
Hewlett Packard Enterprise (HPE) has patched a critical vulnerability in the ArubaOS-CX network operating system that could lead to remote code execution. [...]
Critical
Microsoft says a known issue that reverts mouse settings after installing the KB5120998 August 2026 preview update affects only non-English Windows 11 systems. [...]
ChatGPT and Codex are experiencing a major outage, with users reporting errors across nearly every major ChatGPT feature. [...]
Claude is experiencing an outage, with users encountering elevated errors when sending requests to multiple Anthropic AI models. [...]
A recently patched critical vulnerability (CVE-2026-32475) in the Elementor Pro plugin for WordPress is being exploited in attacks that deliver a webshell payload and execute arbitrary commands on the server. [...]
Infostealers can expose far more than passwords, including authenticated sessions that may let attackers bypass MFA. Flare explains how defenders can prioritize compromised identities, determine whether stolen access is still usable, and respond before it leads to account takeover. [...]
Malware
Microsoft has confirmed that desktop settings are lost or reset on some Windows devices after installing the KB5120998 August 2026 preview update. [...]
Plex urged users this week to update their desktop clients and media servers immediately to patch multiple security vulnerabilities. [...]
Microsoft is working to fix a known issue that causes crashes and launch failures for Microsoft Teams and New Outlook users after installing updates released since the August 2026 Patch Tuesday. [...]
Attackers are actively exploiting CVE-2026-9586, an unauthenticated SQL injection vulnerability in the Sangoma Switchvox VoIP platform that can lead to remote code execution. [...]
An SQL injection vulnerability in the All-in-One WP Migration and Backup plugin for WordPress could allow unauthenticated attackers to execute remote code and take control of affected websites. [...]
A critical authentication bypass vulnerability (CVE-2026-82329) in JFrog Artifactory is being exploited in attacks to create tokens that provide administrative access. [...]