Tag: privilege escalation
127 articles
Linux Flaw Exposes Millions to Local Privilege Escalation
A critical Linux flaw, known as Copy Fail, has been discovered, exposing millions to potential local privilege escalation attacks - a vulnerability that highlights a deterministic logic error in the Linux kernel's cryptographic subsystem. This flaw, tracked as CVE-2026-31431, was publicly disclosed on April 29, 2026.
CISA Warns of Active Exploits of Linux 'CopyFail' Flaw
A newly disclosed Linux kernel vulnerability, dubbed "CopyFail," is being actively exploited, allowing low-privilege users to gain full root control on unpatched systems with a single, unmodified exploit binary. This alarming flaw, tracked as CVE-2026-31431, has sparked emergency patching efforts to prevent widespread attacks.
CISA Warns of Active Linux Exploit
A newly discovered Linux kernel bug, dubbed "Copy Fail," allows unprivileged users to gain root privileges on unpatched systems, prompting urgent warnings from CISA and researchers. If your Linux system was built between 2017 and the recent patch, you're at risk - and need to act fast to protect yourself.
Microsoft Updates Disrupt Third-Party Backup Apps on Windows
Microsoft's latest Windows security update has caused disruptions to third-party backup apps, adding a vulnerable kernel driver to its blocklist to protect users from potential exploits. This change aims to prevent attackers from escalating privileges or executing arbitrary code, but has unfortunately caused failures in some backup products.
Microsoft Fixes Entra ID Flaw That Enabled Service Principal Takeovers
Microsoft has patched a vulnerability in Entra ID that allowed hackers to hijack service principals, potentially leading to full takeover of sensitive systems. A security researcher discovered the flaw, which stemmed from overly broad permissions in the Agent ID Administrator role.
CISA Mandates Patching of Exploited BlueHammer Flaw in Federal Systems
Don't let your federal systems become an easy target: CISA is mandating the patching of the exploited BlueHammer flaw to prevent malicious cyber actors from gaining a foothold. A high-severity vulnerability in Microsoft Defender can allow low-privileged users to gain SYSTEM permissions - but a patch is available.
Microsoft Fixes ASP.NET Core Bug That Enables Privilege Escalation
Microsoft just patched a critical bug in ASP.NET Core that could let hackers escalate their privileges and take control - and they've already released an out-of-band update to fix it. The flaw, tracked as CVE-2026-40372, carries a near-perfect CVSS score of 9.1, indicating a high severity threat.
Microsoft Disrupts ASP.NET Flaw Allowing SYSTEM Privilege Escalation
Microsoft has patched a critical ASP.NET Core vulnerability, CVE-2026-40372, that allowed unauthenticated attackers to forge authentication cookies and gain SYSTEM privileges on affected devices. This fix addresses a flaw in the ASP.NET Core Data Protection cryptographic APIs that could be exploited for privilege escalation.
Leaked Windows Zero-Days Exploited in Targeted Attacks
Cyber attackers are exploiting newly disclosed Windows flaws in targeted attacks, allowing them to gain alarming levels of system control before organizations can patch the vulnerabilities. This alarming window of opportunity leaves defenders scrambling to respond.
CISA Warns of Exploited Windows Task Host Vulnerability
Stay one step ahead of cyber threats by securing your Windows systems - a recently exploited vulnerability in Windows Task Host could let attackers escalate privileges and take full control of your machines. The Cybersecurity and Infrastructure Security Agency (CISA) has flagged this issue as high-risk, urging swift action to protect affected systems.
Zero Trust Fortifies Identity Security Against Credential Exploits
Stolen credentials are a hacker's dream come true, leading to easy privilege escalation and full network compromise - but what if you could lock down your identities and shut the door on these threats? An identity-first Zero Trust approach is the powerful solution you need to fortify your security.
GPUBreach Attack Escalates CPU Privileges via Graphics Units
Imagine a scenario where the very processor that powers your gaming experiences or fuels your AI models becomes a vulnerability that attackers can exploit to hijack your entire machine - new research reveals that this is no longer just a theoretical threat. A recently discovered attack, dubbed GPUBreach, can escalate CPU privileges through graphics units, leaving your system exposed to potential takeover.
GPUBreach Attack Exploits GPU Memory for System Takeover
A newly discovered vulnerability, dubbed GPUBreach, allows hackers to exploit modern GPU memory and take control of an entire machine by inducing Rowhammer bit-flips in GDDR6 memory. This alarming attack can escalate privileges and lead to a full system compromise, leaving no room for complacency.
Windows Zero-Day Exploit Leaked, Enables Instant Admin Access
A disgruntled researcher has leaked working exploit code for a previously unknown Windows vulnerability, dubbed BlueHammer, allowing attackers to instantly gain administrator access to any system. This alarming development comes after the researcher privately submitted the flaw to Microsoft, which had not yet patched the vulnerability.
Fortinet Fixes Exploited Flaw in FortiClient EMS Software
Fortinet has urgently patched a critical vulnerability in its FortiClient EMS software, which had already been exploited in the wild, to prevent further security breaches. The flaw, tracked as CVE-2026-35616, allows for pre-authentication API access bypass and privilege escalation, posing a significant threat to endpoint security.
Linux Kernel Flaw Poses Critical Risk
A critical flaw in the Linux kernel has been uncovered, posing a serious risk to systems worldwide by allowing local users to potentially gain elevated privileges or cause a denial of service. This vulnerability, affecting numerous Linux distributions, highlights the delicate balance between vulnerability and catastrophe in today's digital landscape.
Microsoft Patch Tuesday Exclusive: Best Critical Fixes
Heads up: Microsoft’s March Patch Tuesday delivers fixes for 77 vulnerabilities—no fresh zero-days, but the volume means admins should triage quickly and prioritize internet-facing and critical servers before attackers turn disclosures into exploits.
AI Assistants Exclusive Shift, Best Security Tactics
AI assistants can act as intern, coder and courier all at once—automating emails, scripts and cloud actions with near-total access. That convenience is collapsing old defenses, so organizations must rethink trusted access and adopt smarter security tactics before automation becomes an attack vector.
Chrome Gemini panel Exclusive: Dangerous Extension Risk
If convenience opens a door, who will walk through it? A high‑severity bug let malicious extensions hijack Chrome’s Gemini Live panel and inherit dangerous privileges — now patched, but a clear warning that AI features are reshaping the browser threat model.
CISA Warns: Must-Fix Critical Oracle OIM Flaw
CISA added a critical Oracle Identity Manager flaw to its Known Exploited Vulnerabilities list, meaning attackers are already targeting it. If you handle identity systems, prioritize patching or mitigations now—an unpatched OIM bug can hand intruders the keys to your environment.
Grafana Critical Patch Fixes Stunning CVSS 10.0 SCIM Flaw
Grafana released urgent patches for a CVSS 10.0 SCIM vulnerability that could let authenticated attackers escalate privileges or impersonate users—apply the update now and review your SCIM configs and logs.
Microsoft Fixes Kernel Zero Day: Stunning Critical Patch
Microsoft just patched an actively exploited Windows kernel zero‑day — a high‑stakes reminder that prompt patching can be the difference between a quiet night and a full system compromise. If you manage systems, prioritize this Patch Tuesday update now to protect identity, servers, and other critical endpoints.
Open Source b3 Benchmark Must-Have for Best Agent Security
When the assistants we build become attack surfaces, the open-source b3 benchmark is the stress test you want in your toolkit. It simulates realistic adversarial scenarios so developers and security teams can spot and fix toolchain, privilege, and supply‑chain weaknesses before attackers do.
Critical WordPress Plugin Bugs Cause Stunning Damage
Three critical WordPress plugin vulnerabilities disclosed in 2024 are already being weaponized in the wild, forcing site owners to weigh immediate patching (and potential downtime) against the very real risk of rapid, widespread compromise. If your site uses plugins, now’s not the time to procrastinate—automated scanners and exploit kits can turn one unpatched flaw into a mass breach within hours.