Tageszusammenfassung – 28.10.2026

End-of-Day report

Timeframe: Dienstag 27-10-2026 18:00 – Mittwoch 28-10-2026 18:00
Handler: Guenes Holler
Co-Handler: Alexander Riepl

News

Code-execution flaw in UEFI firmware affects most servers on planet Earth

Critical flaw in EDK2 allows attackers to execute code early in the boot process.

https://arstechnica.com/security/2026/10/code-execution-flaw-in-uefi-firmware-threatens-most-servers-on-planet-earth/

Microsoft releases Windows OOB updates to distrust eMudhra certificates

Microsoft has released out-of-band (OOB) Windows updates to remove trust in certificates tied to compromised eMudhra certificate authority keys, protecting systems that do not receive automatic certificate trust updates.

https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-oob-updates-to-distrust-emudhra-certificates/

Hackers hijack Convertr analytics script to steal payment card data

A credit card skimming group reportedly compromised a shared analytics script used by e-commerce platform Convertr to steal shoppers payment data during checkout.

https://www.bleepingcomputer.com/news/security/hackers-hijack-convertr-analytics-script-to-steal-payment-card-data/

InfraTrust report warns of exploited flaws in critical network infrastructure

Attackers are actively exploiting vulnerabilities across critical network infrastructure, and PHP flaws known as "PHP2Shell" put the web management interfaces of firewalls, VPNs, application delivery controllers, and other appliances at risk.

https://www.bleepingcomputer.com/news/security/infratrust-report-warns-of-exploited-flaws-in-critical-network-infrastructure/

ShinyHunters-Exploited Oracle PeopleSoft Zero-Day Turns Out to Be Three Chained Flaws

The critical Oracle PeopleSoft bug that ShinyHunters has exploited since May is not one flaw but three chained together, the researchers who reported it said this week.Oracle patched all three under a single identifier, CVE-2026-35273, in June. Its root ..

https://thehackernews.com/2026/10/shinyhunters-exploited-oracle.html

Adobe Commerce PolyShell Attacks Breach Hundreds of Stores as Brotli Exploit Traffic Emerges

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two vulnerabilities impacting Adobe Commerce and Magento, and Googles Brotli decoder library to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.The vulnerabilities are listed below – CVE-2026-111497 (CVSS score: 9.2) – An unchecked return value vulnerability in

https://thehackernews.com/2026/10/adobe-commerce-polyshell-attacks-breach.html

Adobe Fixes 8 Critical Campaign Classic Flaws Allowing Code Execution and Security Bypass

Adobe has released patches to address multiple critical security flaws in Campaign Classic that, if successfully exploited, could result in arbitrary code execution, security feature bypass, and privilege escalation.The list of eight vulnerabilities ..

https://thehackernews.com/2026/10/adobe-fixes-8-critical-campaign-classic.html

Hackers Target Critical Oracle E-Business Suite RCE Flaw Days After Security Patch

Threat actors are beginning to probe for a newly patched critical vulnerability in Oracle E-Business Suite (EBS), according to threat intelligence firm Defused Cyber.The vulnerability in question is CVE-2026-101767 (CVSS score: 9.8) in the Oracle ..

https://thehackernews.com/2026/10/hackers-target-critical-oracle-e.html

PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network

Cybersecurity researchers have disclosed details of what appears to be an artificial intelligence (AI)-assisted attack orchestrated by a suspected China-nexus threat actor that has leveraged the PHP2Shell vulnerabilities to breach exposed systems.The activity, which was observed on October 25, 2026, involved an attacker combining PHP2Shell with a kernel privilege escalation exploit to ..

https://thehackernews.com/2026/10/php2shell-attack-roots-25-servers.html

Microsoft Authenticator: Bösartige Apps konnten Zugangstoken abgreifen

Microsoft hat im Authenticator eine Sicherheitslücke geschlossen, durch die bösartige Apps hätten Zugangstoken abgreifen können.

https://www.heise.de/news/Microsoft-Authenticator-Boesartige-Apps-konnten-Zugangstoken-abgreifen-11503334.html

Vermeintliche ÖGK-Phishing-Warnung ist in Wahrheit eine Phishing-Falle

Die Österreichische Gesundheitskasse zählt zu den am häufigsten als Deckmantel verwendeten Institutionen des Landes, Warnungen vor den unzähligen Betrugsmaschen im Namen der ÖGK werden im Wochenrhythmus veröffentlicht. Diesen Umstand nutzen nun Kriminelle. Sie versenden Phishing-Nachrichten, in denen vor Phishing-Nachrichten gewarnt wird.

https://www.watchlist-internet.at/news/oegk-phishing-warnung-falle/

Moldova investigates possible foreign involvement in major government cyberattack

Prime Minister Vasile Tofan said the incident may be part of a broader campaign

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Tageszusammenfassung – 28.10.2026