| ITtechNews - Cybersicherheit und Datenschutz

Auch in Deutschland: Rund 34.000 Plex-Server sind angreifbar 10. September 2026
Für Plex-Media-Server gibt es wichtige Sicherheitsupdates. Auf Tausenden Instanzen sind diese noch nicht angekommen. (Sicherheitslücke, Server)
Nutzerbeschwerden: Kopierfunktion in Excel nach Office-Update kaputt 10. September 2026
Im Netz häufen sich Beschwerden von Nutzern, die in Excel nicht mehr kopieren können. Ursache scheint ein Bug im neuen Microsoft-Office-Update zu sein. (Office, Microsoft)
Trezor, Bitbox, Cointracking: Phishing-Mails von echten Supportadressen verschickt 10. September 2026
Zahlreiche Krypto-Nutzer haben kürzlich täuschend echte Phishing-Mails erhalten. Ursache ist wohl ein Vorfall bei einem E-Mail-Marketing-Anbieter. (Phishing, E-Mail)
Shieldcrash: Forscher ärgert Microsoft mit neuem Defender-Exploit 10. September 2026
Microsofts "High-Quality-Update" gegen den Shieldbreak-Exploit ist offenbar wenig effektiv. Ein frisch geleakter Exploit umgeht den Schutz. (Sicherheitslücke, Microsoft)
Digitalisierung: Digitale Brieftasche D-you startet im Januar 2027 10. September 2026
Die Bundesregierung startet im Januar 2027 die digitale Brieftasche D-you für Personalausweis und Führerschein. (E-Personalausweis, BSI)
Anzeige: Microsoft 365 DSGVO-konform betreiben und absichern 9. September 2026
Datenresidenz, Drittlandtransfer und Audit-Pflichten stellen Unternehmen bei Microsoft 365 vor Herausforderungen. Ein Onlineworkshop zeigt die DSGVO-konforme Konfiguration. (Golem Karrierewelt, Server-Applikationen)
KI-Sicherheit: Anthropic-Forscher sieht über 10 Prozent Auslöschungsrisiko 9. September 2026
Der Anthropic-Forscher Jacob Coxon zieht sich aus der KI-Branche zurück. Er befürchtet, dass sich selbst verbessernde KI-Systeme künftig menschliche Befehle verweigern könnten. (KI, Security)

2026-012: Critical Vulnerabilities in Check Point Products 10. September 2026
On 9 September 2026, Check Point released emergency security updates addressing two critical vulnerabilities affecting Check Point Security Gateway, Security Management Server, and Spark Firewall deployments configured to use Remote Access VPN or Site-to-Site VPN. Both vulnerabilities carry a CVSS score of 9.8 and could allow an unauthenticated, remote attacker to execute arbitrary code on […]
2026-011: Critical Vulnerabilities in SAP Kernel and NetWeaver Message Server 9. September 2026
On 8 September 2026, as part of its September Security Patch Day, SAP released Security Notes addressing two critical vulnerabilities affecting a broad range of SAP products[3]. The most severe, CVE-2026-44756 (CVSS 10.0), is a memory corruption vulnerability in SAP Extended Passport (EPP) processing, nicknamed "OVERPASS" by the Onapsis Research Labs (ORL), which discovered and […]
2026-010: Critical Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway 19. August 2026
On 19 August 2026, Citrix published a security advisory addressing multiple critical vulnerabilities in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). CERT-EU recommends updating affected devices as soon as possible.
2026-009: Critical Vulnerabilities in Microsoft SharePoint 23. Juli 2026
[UPDATED] On 14 July 2026, Microsoft released security updates addressing critical remote code execution (RCE) vulnerabilities in Microsoft SharePoint Server. On 20 July 2026, WatchTowr identified a proof-of-concept exploit code and subsequently observed active exploitation of CVE-2026-50522, a vulnerability part of an ongoing series of actively exploited flaws affecting on-premise SharePoint Server instances, including CVE-2026-32201, […]
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 […]