Tag: zero-day
-
Windows Zero-Day Barrage Continues After Patch Tuesday
YellowKey, GreenPlasma, and MiniPlasma add to the growing list of vulnerabilities a security researcher disclosed over the past six weeks. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/windows-zero-day-barrage-continues-after-patch-tuesday
-
Huawei zero-day attack behind last year’s crash of Luxembourg’s entire telecoms network
There is no evidence that the incident has recurred, but the flaw remains unexplained and has not been publicly acknowledged by the company. First seen on therecord.media Jump to article: therecord.media/huawei-zero-day-behind-last-year-luxembourg-telecom-outage
-
Pwn2Own Berlin 2026 Closes With $1.3 Million in Zero-Day Payouts
Cybersecurity researchers successfully demonstrated 47 unique zero-day exploits at Pwn2Own Berlin 2026, targeting major enterprise software and AI platforms. First seen on hackread.com Jump to article: hackread.com/pwn2own-berlin-2026-closes-zero-day-payouts/
-
Pwn2Own Berlin 2026 Closes With $1.3 Million in Zero-Day Payouts
Cybersecurity researchers successfully demonstrated 47 unique zero-day exploits at Pwn2Own Berlin 2026, targeting major enterprise software and AI platforms. First seen on hackread.com Jump to article: hackread.com/pwn2own-berlin-2026-closes-zero-day-payouts/
-
Microsoft Exchange Zero-Day Under Attack, No Patch Available
CVE-2026-42897 stems from a cross-site scripting (XSS) vulnerability and can allow an attacker to compromise Outlook Web Access (OWA) mailboxes. First seen on darkreading.com Jump to article: www.darkreading.com/vulnerabilities-threats/microsoft-exchange-zero-day-no-patch
-
MiniPlasma zeigt: Selbst gepatchtes Windows ist angreifbar
MiniPlasma verschafft SYSTEM-Rechte auf gepatchten Windows-Systemen. Der neue Zero-Day wirft Fragen zu Microsofts Patchmanagement auf. First seen on tarnkappe.info Jump to article: tarnkappe.info/artikel/it-sicherheit/miniplasma-windows-zero-day-system-rechte-gepatchte-systeme-329246.html
-
âš¡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and More
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.The pattern is clear. One weak dependency can leak keys. One leaked key…
-
Security Researchers Find 47 Zero-Days at Pwn2Own Berlin
The research community was awarded $1.3m as it found dozens of novel vulnerabilities at Pwn2Own Berlin First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/security-researchers-47-zerodays/
-
MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems
Chaotic Eclipse, the security researcher behind the recently disclosed Windows flaws, YellowKey and GreenPlasma, has released a proof-of-concept (PoC) for a Windows privilege escalation zero-day flaw that grants attackers SYSTEM privileges on fully patched Windows systems.Codenamed MiniPlasma, the vulnerability impacts “cldflt.sys,” which refers to the Windows Cloud Files Mini Filter Driver, First seen on thehackernews.com…
-
Forscher eskaliert: Gefährlicher Zero-Day-Exploit für Windows geleakt
Der Miniplasma genannte Exploit nutzt eine Windows-Lücke aus, die eigentlich schon seit 2020 gepatcht sein sollte. Das ist offenkundig nicht der Fall. First seen on golem.de Jump to article: www.golem.de/news/forscher-eskaliert-gefaehrlicher-zero-day-exploit-fuer-windows-geleakt-2605-208755.html
-
Chaotic Eclipse discloses MiniPlasma zero-day, suggesting a missing or undone 2020 Windows security fix
MiniPlasma: a Windows SYSTEM privilege escalation believed patched in 2020 (CVE-2020-17103) is still fully working on every patched Windows 11. Once again, security researcher Chaotic Eclipse has released a proof-of-concept exploit for a new Windows privilege escalation zero-day called MiniPlasma, which can grant attackers SYSTEM privileges on fully patched systems. The flaw affects “cldflt.sys,” the…
-
Hackers earn $1,298,250 for 47 zero-days at Pwn2Own Berlin 2026
The Pwn2Own Berlin 2026 hacking contest has concluded, with security researchers collecting $1,298,250 in rewards after exploiting 47 zero-day flaws. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/hackers-earn-1-298-250-for-47-zero-days-at-pwn2own-berlin-2026/
-
EUVD-2026-28396 / CVE-2026-6973 – Ivanti EPMM-Schwachstelle in Zero-Day-Angriffen ausgenutzt
First seen on security-insider.de Jump to article: www.security-insider.de/ivanti-epmm-zero-day-cve-2026-6973-aktiv-ausgenutzt-a-97f2a7459c9c680d8e986bdb1dd2d342/
-
New Windows ‘MiniPlasma’ zero-day exploit gives SYSTEM access, PoC released
A cybersecurity researcher has released a proof-of-concept exploit for a Windows privilege escalation zero-day dubbed “MiniPlasma” that lets attackers gain SYSTEM privileges on fully patched Windows systems. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/new-windows-miniplasma-zero-day-exploit-gives-system-access-poc-released/
-
Week in review: Cisco patches SD-WAN 0-day, unpatched Microsoft Exchange Server flaw exploited
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Review: Foundations of Cybersecurity, 2nd edition Jason Andress has refreshed … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/17/week-in-review-cisco-patches-sd-wan-0-day-unpatched-microsoft-exchange-server-flaw-exploited/
-
Pwn2Own Berlin 2026, Day Three: DEVCORE Crowned Master of Pwn, $1.298 Million Total
Tags: zero-dayPwn2Own Berlin 2026 ended with 47 zero-days and $1.29M in payouts, as DEVCORE dominated the competition across all categories. Pwn2Own Berlin 2026 ended after three intense days, with participants discovering 47 unique zero-days, and earning $1,298,250 in total payouts. Pwn2Own Berlin 2026 wrapped up at OffensiveCon on Saturday with a final day that sealed DEVCORE’s…
-
Pwn2Own Berlin 2026, Day Three: DEVCORE Crowned Master of Pwn, $1.298 Million Total
Tags: zero-dayPwn2Own Berlin 2026 ended with 47 zero-days and $1.29M in payouts, as DEVCORE dominated the competition across all categories. Pwn2Own Berlin 2026 ended after three intense days, with participants discovering 47 unique zero-days, and earning $1,298,250 in total payouts. Pwn2Own Berlin 2026 wrapped up at OffensiveCon on Saturday with a final day that sealed DEVCORE’s…
-
Pwn2Own Berlin 2026, Day Three: DEVCORE Crowned Master of Pwn, $1.298 Million Total
Tags: zero-dayPwn2Own Berlin 2026 ended with 47 zero-days and $1.29M in payouts, as DEVCORE dominated the competition across all categories. Pwn2Own Berlin 2026 ended after three intense days, with participants discovering 47 unique zero-days, and earning $1,298,250 in total payouts. Pwn2Own Berlin 2026 wrapped up at OffensiveCon on Saturday with a final day that sealed DEVCORE’s…
-
Pwn2Own Berlin 2026, Day Two: $385,750 more, Microsoft Exchange falls, and the running total crosses $900K
Day two of Pwn2Own Berlin 2026 saw $385,750 earned for 15 zero-days, bringing the total to $908,750 and 39 vulnerabilities over two days. During the second day of Pwn2Own Berlin 2026, security researchers earned $385,750 after successfully demonstrating 15 unique zero-day vulnerabilities affecting products such as Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux…
-
New Cisco SD-WAN Zero-Day Grants Admin Access
Broken vdaemon Peering Authentication Enables Unauthenticated Admin Access. A maximum-severity vulnerability in Cisco Catalyst SD-WAN Controller is being actively exploited, giving attackers administrative privileges without authentication. The authentication bypass vulnerability stems from a broken peering authentication mechanism. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/new-cisco-sd-wan-zero-day-grants-admin-access-a-31708
-
Exchange Server zero-day vulnerability can be triggered by opening a malicious email
Tags: automation, data, email, malicious, microsoft, mitigation, risk, service, tactics, update, vulnerability, zero-dayKnown issues with mitigation tactics: However, admins should note there are known issues once the mitigation is applied either manually or automatically through the EM Service.OWA Print Calendar functionality might not work. As a workaround, copy the data or screenshot the calendar you want to print, or use Outlook Desktop client. Inline images might not…
-
Microsoft Exchange, Windows 11 hacked on second day of Pwn2Own
During the second day of Pwn2Own Berlin 2026, competitors collected $385,750 in cash awards after exploiting 15 unique zero-day vulnerabilities in multiple products, including Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux for Workstations. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/pwn2own-day-two-hackers-demo-microsoft-exchange-windows-11-red-had-enterprise-linux-zero-days/
-
Erster KI-generierte Zero-Day-Exploit sollte Weckruf für jede Organisation sein, die noch auf MFA setzt
Googles Entdeckung des ersten von KI generierten Zero-Day-Exploits markiert einen bedeutenden Zeitpunkt. Die Bedeutung dieses Fundes liegt nicht darin, dass die zugrundeliegende Technik eine völlig neue Idee ist. Vielmehr bestätigt er, dass KI von einem theoretischen Beschleuniger für Angriffe zu einem operativen Werkzeug geworden ist. Besonders alarmierend ist, dass der Exploit auf die Umgehung von…
-
Cisco zero-day under ongoing attack by persistent threat group
The threat group behind the attacks is also linked to a series of recently disclosed vulnerabilities in the vendor’s firewalls and SD-WAN systems. First seen on cyberscoop.com Jump to article: cyberscoop.com/cisco-sd-wan-zero-day-exploited/
-
CVE-2026-42897: Microsoft confirms active exploitation of Exchange Server zero-day
Microsoft warned that attackers are exploiting a new Exchange Server zero-day vulnerability, tracked as CVE-2026-42897, in the wild. Microsoft warned that threat actors are actively exploiting a new Exchange Server zero-day vulnerability tracked as CVE-2026-42897 (CVSS score 8.1). The vulnerability is an improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Exchange…
-
The First AI-Crafted Zero-Day Was Easy to Spot. The Next One May Not Be
Google reported the first confirmed AI-assisted zero-day exploit, raising new concerns about logic flaws, supply chain risk, and containment. The post The First AI-Crafted Zero-Day Was Easy to Spot. The Next One May Not Be appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-google-ai-crafted-zero-day-exploit/
-
Cisco patches another actively exploited SD-WAN zero-day (CVE-2026-20182)
Cisco has patched yet another Catalyst SD-WAN Controller authentication bypass vulnerability (CVE-2026-20182) that has been exploited as a zero-day by >>a highly … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/15/cisco-sd-wan-zero-day-cve-2026-20182/
-
Microsoft Reports Severe Zero-Day Flaw in On-Prem Exchange Servers
The zero-day vulnerability affects on-premises installations for all versions of Exchange Server 2016, 2019 and Subscription Edition First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/microsoft-zeroday-exchange-servers/
-
Microsoft warns of Exchange zero-day flaw exploited in attacks
On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-warns-of-exchange-zero-day-flaw-exploited-in-attacks/
-
Microsoft Edge, Windows 11, and LiteLLM Fall to Exploits at Pwn2Own Berlin 2026
The world’s top ethical hackers wasted no time breaking into modern software and AI systems on the opening day of Pwn2Own Berlin 2026, exposing critical zero-day vulnerabilities in Microsoft Edge, Windows 11, LiteLLM, and NVIDIA platforms. On May 14, researchers demonstrated 24 unique zero-day exploits, earning a total of $523,000 in rewards, according to Trend…