Apple released emergency security updates to fix two iOS zero-day vulnerabilities that were exploited in attacks on iPhones.
Microsoft patched a high-severity Windows Kernel privilege escalation vulnerability in February, six months after being informed that the flaw was being exploited as a zero-day.
CISA ordered U.S. Federal Civilian Executive Branch (FCEB) agencies to secure their Windows systems against a high-severity vulnerability in the Microsoft Streaming Service (MSKSSRV.SYS) that's actively exploited in attacks.
North Korean threat actors known as the Lazarus Group exploited a flaw in the Windows AppLocker driver (appid.sys) as a zero-day to gain kernel-level access and turn off security tools, allowing them to bypass noisy BYOVD (Bring Your Own Vulnerable Driver) techniques.
Microsoft warned today in an updated security advisory that a critical vulnerability in Exchange Server was exploited as a zero-day before being fixed during this month's Patch Tuesday.
Microsoft says remote unauthenticated attackers can trivially exploit a critical Outlook security vulnerability that also lets them bypass the Office Protected View.
Microsoft has patched today a Windows Defender SmartScreen zero-day exploited in the wild by a financially motivated threat group to deploy the DarkMe remote access trojan (RAT).
Today is Microsoft's February 2024 Patch Tuesday, which includes security updates for 73 flaws and two actively exploited zero-days.
Commercial spyware vendors (CSV) were behind 80% of the zero-day vulnerabilities Google's Threat Analysis Group (TAG) discovered in 2023 and used to spy on devices worldwide.
Free unofficial patches are available for a new Windows zero-day vulnerability dubbed 'EventLogCrasher' that lets attackers remotely crash the Event Log service on devices within the same Windows domain.
Today, Ivanti warned of two more vulnerabilities impacting Connect Secure, Policy Secure, and ZTA gateways, one of them a zero-day bug already under active exploitation.
The first edition of Pwn2Own Automotive has ended with competitors earning $1,323,750 for hacking Tesla twice and demoing 49 zero-day bugs in multiple electric car systems between January 24 and January 26.
Security researchers hacked the Tesla infotainment system and demoed a total of 24 zero-days on the second day of the Pwn2Own Automotive 2024 hacking competition.
Security researchers hacked a Tesla Modem and collected awards of $722,500 on the first day of Pwn2Own Automotive 2024 for three bug collisions and 24 unique zero-day exploits.
Apple released security updates to address this year's first zero-day vulnerability exploited in attacks that could impact iPhones, Macs, and Apple TVs.
Ivanti warned admins to stop pushing new device configurations to appliances after applying mitigations because this will leave them vulnerable to ongoing attacks exploiting two zero-day vulnerabilities.
CISA issued this year's first emergency directive ordering Federal Civilian Executive Branch (FCEB) agencies to immediately mitigate two Ivanti Connect Secure and Ivanti Policy Secure zero-day flaws in response to widespread and active exploitation by multiple threat actors.
A Chinese hacking group has been exploiting a critical vCenter Server vulnerability (CVE-2023-34048) as a zero-day since at least late 2021.
Today, CISA ordered U.S. federal agencies to secure their systems against three recently patched Citrix NetScaler and Google Chrome zero-days actively exploited in attacks.
Citrix urged customers on Tuesday to immediately patch Netscaler ADC and Gateway appliances exposed online against two actively exploited zero-day vulnerabilities.