Latest cybersecurity reporting from selected sources.

NightmareEclipse Says Mitigation Can Exhaust Disk Space, Crash AppsMicrosoft's patch for CVE-2026-50656, known as RoguePlanet, has sparked fresh criticism after researcher NightmareEclipse alleged the mitigation can exhaust disk space, crash applications and leak memory, extending a months-long dispute over Microsoft's handling of multiple zero-day disclosures.

Monday again. The weekend was meant to be quiet. It wasn't. Last week had poisoned packages, a broken AI helper, and a worm tearing through repos. The ugly part: basic tricks still worked

Security Researchers Fear Broader Legal Pressure on Bug DisclosuresMicrosoft is pursuing legal action after a researcher publicly released six Windows zero-days and exploit code following a breakdown in coordinated disclosure talks, escalating tensions over vulnerability disclosure, platform moderation and protections for independent security researchers.

This week starts small

Monday opens with a trust problem. A mail server flaw is under active use. A network control system was targeted. Trusted packages were poisoned. A fake model page pushed a stealer. Then came the familiar ransom claim: the data was returned and deleted

Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. [...]

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

Not every cloud breach starts with malware or a zero-day. In this incident, attackers discovered an exposed Spring Boot Actuator endpoint, harvested credentials from leaked configuration data, then used the OAuth2 Resource Owner Password Credentials (ROPC) flow to authenticate without MFA.

Also: EU Bans AI Tools, Notepad++ Secures Updater, Apple Patches iOS Zero-DayThis week, Cambodia shuttered 200 scam centers. EU Parliament banned AI tools. Canada Goose disputed a ShinyHunters leak. Notepad++ patched an updater flaw. Apple fixed a decades-old iOS zero-day. BeyondTrust and Dell patched critical flaws under active exploitation.

Also: China-Linked APT Hijack Updates, Condé Nast Data Leaked, La Poste HitThis week, a Clop-linked vendor breach hit Korean Air, a China-linked APT hijacked software updates, a critical zero-day flaw remained unpatched, Condé Nast faced a data leak, La Poste was disrupted and Korean police extradited a malware operation suspect.

PLUS: CISA still sitting on telecoms security report; DoorDash phished again; Lumma stealer returns; and more INFOSEC IN BRIEF The US Senate passed a resolution in July to force the US Cybersecurity and Infrastructure Security Agency (CISA) to publish a 2022 report into poor security in the telecommunications industry but the agency has not delivered the document.…

Oracle has silently fixed an Oracle E-Business Suite vulnerability (CVE-2025-61884) that was actively exploited to breach servers, with a proof-of-concept exploit publicly leaked by the ShinyHunters extortion group. [...]

Oracle has silently fixed an Oracle E-Business Suite vulnerability (CVE-2025-61884) that was actively exploited to breach servers, with a proof-of-concept exploit publicly leaked by the ShinyHunters extortion group. [...]

Harvard University is investigating a data breach after the Clop ransomware gang listed the school on its data leak site, saying the alleged breach was likely caused by a recently disclosed zero-day vulnerability in Oracle's E-Business Suite servers. [...]

Deploy Emergency Patch for Zero-Day Flaw, Hunt for Signs of Intrusion, Warn ExpertsOracle patched a zero-day vulnerability in Oracle E-Business Suite and urged customers to immediately install the fix. The flaw has been exploited since August by the Clop ransomware group, and with exploit code now having leaked, experts expect to see many more attackers join the fray.

Better late than never after SharePoint assault? Microsoft has reportedly stopped giving Chinese companies proof-of-concept exploit code for soon-to-be-disclosed vulnerabilities following last month's SharePoint zero-day attacks, which appear to be related to a leak in Redmond's early-bug-notification program.…

Also: Spain Defies Pressure to Eject Huawei, Hackers Leak North Korea Kimsuky DataThis week, Norway said Russian hackers attacked a flood gate, Spain defied pressure to eject Huawei, a cyberattack against the Office of the Pennsylvania Attorney General. Hackers leaked stolen North Korean Kimsuky data, Microsoft patched a Kerberos zero-day and a big Chrome bug bounty.

The connected sex toy platform Lovense is vulnerable to a zero-day flaw that allows an attacker to get access to a member's email address simply by knowing their username, putting them at risk of doxxing and harassment. [...]

Some of the biggest security problems start quietly. No alerts. No warnings. Just small actions that seem normal but aren't. Attackers now know how to stay hidden by blending in, and that makes it hard to tell when something’s wrong

Free unofficial patches are available for a new Windows zero-day vulnerability that can let remote attackers steal NTLM credentials by tricking targets into viewing malicious files in Windows Explorer. [...]