20 verified briefings on Privilege Escalation. Each story includes a plain-English summary, why it matters, and the concrete action engineering teams should take.
Multiple vulnerabilities have been discovered in the Linux kernel, including a critical flaw known as 'Copy Fail'. This specific issue could allow a local attacker to gain higher privileges or escape from a container, potentially leading to a full system compromise. The update addresses these security risks.
A public exploit is now available for a recently patched Arch Linux vulnerability called PinTheft. The flaw allows a local attacker to gain full root privileges on a system. The vulnerability has already been fixed, so users who have updated their systems are protected from this exploit.
Two vulnerabilities have been discovered in the Foomuuri firewall tool. The flaws allow a local, unprivileged attacker to bypass security measures and manipulate firewall configurations. The issues stem from improper authorization and validation within Foomuuri's D-Bus service, creating a significant privilege escalation risk.
A critical vulnerability has been patched in the `sed` utility on Ubuntu 18.04 LTS and 20.04 LTS. The flaw allowed a local attacker to overwrite arbitrary files by exploiting how `sed` handles symbolic links during in-place edits, potentially leading to privilege escalation on affected systems.
A critical Linux kernel vulnerability, named 'Dirty Frag', allows local attackers to gain higher privileges or even escape containers. The flaw affects how the kernel handles network data, putting shared infrastructure at immediate risk.
Multiple high-severity Linux kernel vulnerabilities have been discovered. A local attacker could exploit these flaws, known as 'Dirty Frag,' to gain full control of a system or even escape from a containerized environment to the host machine.
A new Linux kernel security patch has been released to address several vulnerabilities. The update fixes critical flaws, including one that could allow for privilege escalation and another that could lead to a container escape, posing a significant risk to system integrity and data security.
A vulnerability has been discovered in the PCTCore64.sys Windows kernel driver, formerly part of PC Tools Internet Security. The driver lacks proper access controls, allowing any local user to send privileged commands. This creates an opening for privilege escalation via "Bring Your Own Vulnerable Driver" (BYOVD) attacks.
Ubuntu has released a security notice for multiple vulnerabilities in the Linux kernel. A key flaw, known as "Copy Fail," affects cryptographic operations and could allow a local attacker to escalate privileges or escape from a container. The update addresses this and several other security issues.
A critical vulnerability (CVSS 10.0) in the LiteSpeed cPanel plugin is being actively exploited. The flaw, CVE-2026-48172, allows attackers to run arbitrary scripts with root privileges, posing a severe and urgent risk to web hosting environments using the popular plugin.
Security researchers have found several critical vulnerabilities in the Linux kernel, collectively known as "Dirty Frag." These flaws affect how the kernel handles network data and could allow a local attacker to gain higher privileges or even escape from a container, posing a significant security risk.
Ubuntu has released a security update for the Linux kernel, addressing multiple vulnerabilities. The most critical flaw, named "Copy Fail," could allow a local attacker to gain higher privileges or even escape from a container, posing a significant risk to system integrity and multi-tenant environments.
Multiple vulnerabilities have been found in the Linux kernel, including a critical flaw known as 'Copy Fail'. This specific issue could allow a local attacker to gain higher privileges or even escape from a container, posing a significant risk to system security. An update is available.
Ubuntu has patched several critical vulnerabilities in the Linux kernel. One major flaw, dubbed 'Copy Fail,' affects the kernel's cryptography module and could allow a local attacker to gain higher privileges on a system or escape from a container, posing a significant security risk.
A new Linux kernel vulnerability named "Dirty Frag" has been found in versions 4.10 and later. It allows for local privilege escalation by combining two previously known flaws. The issue is in the IP packet fragmentation system and was publicly disclosed on May 7, 2026.
Ubuntu has patched several Linux kernel vulnerabilities, including two in its OverlayFS file system. These flaws could allow a local attacker to bypass permission checks and gain elevated privileges, potentially leading to unauthorized system control. Users should update their systems immediately to mitigate the risk.
Ubuntu has released a security update for the Linux kernel, fixing several vulnerabilities. The most critical flaw, known as Copy Fail, could allow a local attacker to escalate privileges or escape from a container. The patch also addresses issues in various other kernel subsystems to prevent system compromise.
A BeyondTrust report found that while Microsoft's total vulnerability count was stable in 2023, critical flaws doubled. Attackers are shifting focus from initial access to privilege escalation, using identity-based attacks to gain deeper control over systems. This trend highlights the growing importance of internal security controls.
A security researcher has released a proof-of-concept for a new zero-day vulnerability in Windows, codenamed MiniPlasma. The flaw affects fully patched systems and allows an attacker to gain the highest level of system privileges. The vulnerability exists in the Windows Cloud Files Mini Filter Driver.
A Windows vulnerability in the Cloud Filter driver, thought to be patched six years ago, is still exploitable. A security researcher has demonstrated a new method to exploit the flaw, allowing an attacker to gain full SYSTEM-level privileges on an affected machine.