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Cisco warns of new critical SD-WAN flaw exploited in zero-day attacks

Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices. [...]

https://www.bleepingcomputer.com/news/security/cisco-warns-of-new-critical-sd-wan-flaw-exploited-in-zero-day-attacks/
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Microsoft warns of Exchange zero-day flaw exploited in attacks

On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-warns-of-exchange-zero-day-flaw-exploited-in-attacks/
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Inside the REMUS Infostealer: Session Theft, MaaS, and Rapid Evolution

Stolen browser sessions and authentication tokens are becoming more valuable than stolen passwords. Flare explains how the REMUS infostealer evolved around session theft and operational scalability. [...]

https://www.bleepingcomputer.com/news/security/inside-the-remus-infostealer-session-theft-maas-and-rapid-evolution/
Microsoft backpedals: Edge to stop loading passwords into memory

Microsoft is updating the Edge web browser to ensure it no longer loads saved passwords into process memory in clear text at startup after previously stating it was "by design." [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-edge-to-stop-loading-cleartext-passwords-in-memory-on-startup/
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Avada Builder WordPress plugin flaws allow site credential theft

Two vulnerabilities in the Avada Builder plugin for WordPress, with an estimated one million active installations, allow hackers to read arbitrary files and extract sensitive information from the database. [...]

https://www.bleepingcomputer.com/news/security/avada-builder-wordpress-plugin-flaws-allow-site-credential-theft/
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Microsoft Exchange, Windows 11 hacked on second day of Pwn2Own

​During the second day of Pwn2Own Berlin 2026, competitors collected $385,750 in cash awards after exploiting 15 unique zero-day vulnerabilities in multiple products, including Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux for Workstations. [...]

https://www.bleepingcomputer.com/news/security/pwn2own-day-two-hackers-demo-microsoft-exchange-windows-11-red-had-enterprise-linux-zero-days/
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Funnel Builder WordPress plugin bug exploited to steal credit cards

A critical vulnerability in the Funnel Builder plugin for WordPress is being actively exploited to inject malicious JavaScript snippets into WooCommerce checkout pages. [...]

https://www.bleepingcomputer.com/news/security/funnel-builder-wordpress-plugin-bug-exploited-to-steal-credit-cards/
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Russian hackers turn Kazuar backdoor into modular P2P botnet

The Russian hacker group Secret Blizzard has developed its long-running Kazuar backdoor into a modular peer-to-peer (P2P) botnet designed for long-term persistence, stealth, and data collection. [...]

https://www.bleepingcomputer.com/news/security/russian-hackers-turn-kazuar-backdoor-into-modular-p2p-botnet/
Microsoft rejects critical Azure vulnerability report, no CVE issued

A security researcher claims Microsoft quietly fixed an Azure Backup for AKS vulnerability after rejecting his report, and without issuing a CVE. Microsoft disputes the claim, telling BleepingComputer the behavior was expected and that "no product changes were made," despite the researcher documenting a silent fix. [...]

https://www.bleepingcomputer.com/news/security/microsoft-rejects-critical-azure-vulnerability-report-no-cve-issued/
New Windows 'MiniPlasma' zero-day exploit gives SYSTEM access, PoC released

A cybersecurity researcher has released a proof-of-concept exploit for a Windows privilege escalation zero-day dubbed "MiniPlasma" that lets attackers gain SYSTEM privileges on fully patched Windows systems.  [...]

https://www.bleepingcomputer.com/news/microsoft/new-windows-miniplasma-zero-day-exploit-gives-system-access-poc-released/
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Exploit available for new DirtyDecrypt Linux root escalation flaw

A recently patched local privilege escalation vulnerability in the Linux kernel's rxgk module now has a proof-of-concept exploit that allows attackers to gain root access on some Linux systems. [...]

https://www.bleepingcomputer.com/news/security/exploit-available-for-new-dirtydecrypt-linux-root-escalation-flaw/
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