NCSC-NL

Nearly 22,000 Microsoft Exchange servers remain exposed to critical security flaw (CVE-2026-62911)

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Nearly 22,000 Microsoft Exchange servers remain exposed to critical security flaw (CVE-2026-62911) 2026-09-02 at 16:24 By Sinisa Markovic Nearly 22,000 Microsoft Exchange servers remain unpatched against CVE-2026-62911, a critical authentication bypass vulnerability, according to daily scans from the Shadowserver Foundation. The United States and Germany top the list with 6,200 and 5,100 unpatched servers. CVE-2026-62911 […]

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CISA folds its own hard-won lessons into coordinated vulnerability disclosure guidance

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CISA folds its own hard-won lessons into coordinated vulnerability disclosure guidance 2026-07-16 at 16:23 By Zeljka Zorz On Wednesday, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and four allied cyber authorities published a guide telling software vendors how to build a coordinated vulnerability disclosure (CVD) program. Six days earlier, CISA published a blog post […]

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Microsoft patches 80+ vulnerabilities, six flagged as “more likely” to be exploited

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Microsoft patches 80+ vulnerabilities, six flagged as “more likely” to be exploited 2026-03-11 at 12:31 By Zeljka Zorz On March 2026 Patch Tuesday, Microsoft addressed 80+ vulnerabilities affecting its software and cloud services. Of these, two were publicly disclosed, but not actively exploited. Privilege escalation vulnerabilities abound The two publicly disclosed flaws are CVE-2026-21262, a […]

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European Commission hit by cyberattackers targeting mobile management platform

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European Commission hit by cyberattackers targeting mobile management platform 2026-02-09 at 16:02 By Zeljka Zorz The European Commission’s mobile device management platform was hacked but the incident was swiftly contained and no compromise of mobile devices was detected, EU’s executive branch announced on Friday. The intrusion was detected on January 30, 2026, by CERT-EU, the […]

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Stealth-patched FortiWeb vulnerability under active exploitation (CVE-2025-58034)

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Stealth-patched FortiWeb vulnerability under active exploitation (CVE-2025-58034) 2025-11-19 at 13:47 By Zeljka Zorz Attackers are actively exploiting another FortiWeb vulnerability (CVE-2025-58034) that Fortinet fixed without making its existence public at the time. About CVE-2025-58034 CVE-2025-58034 is an OS Command Injection flaw caused by improper neutralization of special elements. It allows authenticated attackers to execute unauthorized […]

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Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287)

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Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287) 2025-10-24 at 15:38 By Zeljka Zorz Microsoft has released an out-of-band security update that “comprehensively” addresses CVE-2025-59287, a remote code execution vulnerability in the Windows Server Update Services (WSUS) that is reportedly being exploited in the wild. About CVE-2025-59287 WSUS is a tool that helps […]

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Attackers are exploiting critical SAP S/4HANA vulnerability (CVE-2025-42957)

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Attackers are exploiting critical SAP S/4HANA vulnerability (CVE-2025-42957) 2025-09-05 at 15:03 By Zeljka Zorz A critical vulnerability (CVE-2025-42957) in SAP S/4HANA enterprise resource planning software is being exploited by attackers “to a limited extent”, the Dutch National Cyber Security Center (NCSC NL) has warned on Friday. Their alert seems to be based on a report […]

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Netscaler vulnerability was exploited as zero-day for nearly two months (CVE-2025-6543)

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Netscaler vulnerability was exploited as zero-day for nearly two months (CVE-2025-6543) 2025-08-12 at 17:51 By Zeljka Zorz FortiGuard Labs has reported a dramatic spike in exploitation attempts targeting Citrix Bleed 2, a critical buffer over‑read flaw (CVE‑2025‑5777) affecting Citrix NetScaler ADC (Application Delivery Controller) and Gateway devices. Since July 28, 2025, they have detected over 6,000 exploitation […]

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