| ITtechNews - Cybersicherheit und Datenschutz

Ubuntu: Root-Lücke in snapd gefährdet unzählige Linux-Systeme 22. Juli 2026
Zwei Race Conditions in snap-confine verleihen Angreifern unter Linux Root-Zugriff. Mehrere Ubuntu-Versionen sind per Default anfällig. (Sicherheitslücke, Ubuntu)
Xbox: Microsoft will Support für gehackte Konten verbessern 22. Juli 2026
Laut einem Bericht arbeitet Microsoft an besseren Prozessen für gehackte Konten. Bislang konnten Betroffene dauerhaft den Zugriff verlieren. (Microsoft, Spiele)
Anzeige: KI-Agenten im Unternehmen: Workshop mit Praxisdemos 22. Juli 2026
KI-Agenten versprechen mehr Autonomie als Chatbots. Für Unternehmen zählt, ob Sicherheit, Kosten und Nutzen belastbar sind. Ein Workshop ordnet die Praxis ein. (Golem Karrierewelt, Programmiersprachen)
Cyberangriff: Nextcloud-Nutzer wurden auf verdächtige Cloudbox umgeleitet 22. Juli 2026
Die offizielle Website von Nextcloud ist nach verdächtigen Umleitungen der Besucher temporär vom Netz genommen worden. Ursache war ein Cyberangriff. (Nextloud, CMS)
Bei internen KI-Tests: OpenAI hat versehentlich Hugging Face gehackt 22. Juli 2026
Der kürzlich bekannt gewordene Cyberangriff auf Hugging Face kam von OpenAI. Das Unternehmen hatte seine KI-Modelle bei internen Cybertests nicht im Griff. (KI, Cyberwar)
Booking.com: Geschäftsmodell Endreinigung 22. Juli 2026
Wie Ferienhausanbieter wie Dancenter auf Booking.com den Preis nach der Buchung durch Pflichtgebühren massiv erhöhen. (Reisen, Elektroauto)
Künstliche Intelligenz: Microsoft und Mistral arbeiten bei KI in Europa zusammen 21. Juli 2026
Microsoft und Mistral arbeiten künftig zusammen. Mistrals KI-Modelle sind ab sofort in Microsofts Entwicklungsplattformen und in Copilot Studio verfügbar. (KI, Microsoft)

2026-009: Critical Vulnerability in Microsoft SharePoint 22. Juli 2026
On 14 July 2026, Microsoft released a security update addressing a critical Remote Code Execution (RCE) in Microsoft SharePoint Server. On 20 July 2026, WatchTowr identified a proof-of-concept exploit code, and later, successful exploitation attempts. CERT-EU strongly recommend to update affected servers and to rotate credentials on any assets that may have been vulnerable and […]
2026-008: Critical vulnerabilities in Ivanti Sentry 10. Juni 2026
On 9 June 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their Sentry products[1]. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device.
2026-007: Critical Vulnerability in Windows Netlogon 10. Juni 2026
On 12 May 2026, Microsoft published a security advisory addressing a critical vulnerability affecting Windows Server when acting as a domain controller. This vulnerability allows an unauthenticated attacker to execute arbitrary code over a network. According to The Centre for Cybersecurity Belgium (CCB), this vulnerability is currently exploited by threat actors. It is strongly recommended […]
2026-006: Critical Vulnerability in PAN-OS 6. Mai 2026
On 6 May 2026, Palo Alto published a security advisory addressing a critical vulnerability affecting PAN-OS. This vulnerability allows an unauthenticated attacker to execute arbitrary code with root privileges. Palo Alto observed limited exploitation of this vulnerability. It is strongly recommended updating affected appliances as soon as patches will be available, and to apply workarounds […]
2026-005: High Vulnerability in the Linux Kernel ("Copy Fail") 30. April 2026
On 29 April 2026, a high local privilege escalation vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named "Copy Fail", was publicly disclosed. The vulnerability affects every mainstream Linux distributions shipping a kernel built since 2017. A public proof-of-concept exploit has been released. As of the date of this advisory, no distribution has shipped […]
2026-004: Critical Vulnerability in SharePoint Exploited 25. März 2026
On 17 March 2026, Microsoft updated one of its January 2026 security advisories related to a remote code execution vulnerability in Microsoft SharePoint. Specifically, Microsoft raised the CVSS score and changed the FAQ section to indicate that the vulnerability could be exploited by an unauthenticated attacker. This vulnerability was added in the CISA's Known Exploited […]
2026-003: Multiple Vulnerabilities in Citrix NetScaler and Citrix ADC 23. März 2026
On 23 March 2026, Citrix published a security advisory addressing multiple vulnerabilities affecting NetScaler ADC and NetScaler Gateway. These vulnerabilities may lead to sensitive information disclosure and user session mix-up under specific configurations. At the time of writing, there is no public evidence of active exploitation. It is strongly recommended updating affected gateways, prioritising internet-facing […]
2026-002: Multiple Vulnerabilities in Cisco Products 26. Februar 2026
On 25 February 2026, Cisco released security advisories addressing multiple high and critical severity vulnerabilities in Cisco Catalyst SD-WAN controllers and Cisco SD-WAN Manager. If exploited, these vulnerabilities could allow attackers to gain administrative access to compromised systems. It is recommended to capture forensic evidence, hunt for indicators of compromise, and apply updates as soon […]
2026-001: Critical vulnerabilities in Ivanti EPMM 30. Januar 2026
On 29 January 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their EPMM products. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device. One of these vulnerabilities have been exploited in a limited number of cases.
2025-042: Critical Vulnerability in Cisco Secure Email and Web Manager 18. Dezember 2025
On December 17, 2025, Cisco released a security advisory for a critical vulnerability affecting Cisco Secure Email Gateway and Cisco Secure Email and Web Manager products. It is recommended to follow Cisco's recommendations to check whether vulnerable appliances have been compromised, and to remediate the issue. There is no patch available for this vulnerability yet.