On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email
Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the ...
The Hacker News
20 articles
CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access Exploits
The U.S.
Cisco Catalyst SD-WAN Controller Auth Bypass Actively Exploited to Gain Admin Access
Cisco has released updates to address a maximum-severity authentication bypass flaw in Catalyst SD-WAN Controller that it said has been exploited in limited ...
Stealer Backdoor Found in 3 Node-IPC Versions Targeting Developer Secrets
Cybersecurity researchers are sounding the alarm about what has been described as "malicious activity" in newly published versions of node-ipc. According to ...
ThreatsDay Bulletin: PAN-OS RCE, Mythos cURL Bug, AI Tokenizer Attacks, and 10+ Stories
Everything is still on fire. This week feels dumb in the worst way — bad links, weak checks, fake help desks, shady forum posts, and people turning supply ch...
Ghostwriter Targets Ukrainian Government With Geofenced PDF Phishing, Cobalt Strike
The Belarus-aligned threat group known as Ghostwriter has been attributed to a fresh set of attacks targeting governmental organizations in Ukraine. Active s...
PraisonAI CVE-2026-44338 Auth Bypass Targeted Within Hours of Disclosure
Threat actors have been observed attempting to exploit a recently disclosed security vulnerability in PraisonAI, an open-source multi-agent orchestration fra...
How AI Hallucinations Are Creating Real Security Risks
AI hallucinations are introducing serious security risks into critical infrastructure decision-making by exploiting human trust through highly confident yet ...
Windows Zero-Days Expose BitLocker Bypasses And CTFMON Privilege Escalation
An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more zero-days involving a BitLocker bypas...
New Fragnesia Linux Kernel LPE Grants Root Access via Page Cache Corruption
Details have emerged about a new variant of the recent Dirty Frag Linux local privilege escalation (LPE) vulnerability that allows local attackers to gain ro...
18-Year-Old NGINX Rewrite Module Flaw Enables Unauthenticated RCE
Cybersecurity researchers have disclosed multiple security vulnerabilities impacting NGINX Plus and NGINX Open, including a critical flaw that remained undet...
Microsoft's MDASH AI System Finds 16 Windows Flaws Fixed in Patch Tuesday
Microsoft has unveiled a new multi-model artificial intelligence (AI)-driven system called MDASH to facilitate vulnerability discovery and remediation at sca...
Azerbaijani Energy Firm Hit by Repeated Microsoft Exchange Exploitation
A threat actor with affiliations to China has been linked to a "multi-wave intrusion" targeting an unnamed Azerbaijani oil and gas company between late Decem...
[Webinar] Why Your AppSec Tools Miss the "Lethal Path" (and How to Fix It)
TL;DR: Stop chasing thousands of "toast" alerts. Join experts from Wiz and Okta/GitLab to learn how hackers connect tiny flaws to build a "Lethal Chain" to y...
Most Remediation Programs Never Confirm the Fix Actually Worked
Security teams have never had better visibility into their environments and never been worse at confirming what they fix stays fixed. Mandiant's M-Trends 202...
Microsoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE Flaws
Microsoft on Tuesday released patches for 138 security vulnerabilities spanning its product portfolio, although none of them have been listed as publicly kno...
GemStuffer Abuses 150+ RubyGems to Exfiltrate Scraped U.K. Council Portal Data
Cybersecurity researchers are calling attention to a new campaign dubbed GemStuffer that has targeted the RubyGems repository with more than 150 gems that us...
Android Adds Intrusion Logging for Sophisticated Spyware Forensics
Google on Tuesday unveiled a new opt-in Android feature called Intrusion Logging for storing forensic logs to better analyze sophisticated spyware attacks. I...
New Exim BDAT Vulnerability Exposes GnuTLS Builds to Potential Code Execution
Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code...
RubyGems Suspends New Signups After Hundreds of Malicious Packages Are Uploaded
RubyGems, the standard package manager for the Ruby programming language, has temporarily paused account sign ups following what has been described as a "maj...