Privilege-Escalation
CISA Adds Three Linux Kernel Flaws to KEV: TLS Receive Path, ebtables SNAT, and AF_ALG Race Condition Under Active Exploitation
CISA added three Linux kernel CVEs to its Known Exploited Vulnerabilities catalog on evidence of in-the-wild exploitation — a CVSS 9.8 TLS receive-path flaw, an 8.8 ebtables SNAT out-of-bounds write, and a 7.8 AF_ALG race condition — with FCEB remediation due September 21.
CVE-2026-87886: Acronis Backup Plugin for cPanel and Plesk Exploited for Root on Shared Hosting
CVE-2026-87886 (CVSS 7.8) lets a low-privileged local user escalate to root on cPanel, WHM, Plesk, and DirectAdmin hosts via world-writable files left behind by Acronis's backup plugin — already exploited in targeted attacks and added to CISA KEV with a September 19 federal deadline.
CVE-2026-76460: Maximum-Severity Cisco ISE Auth Bypass Exploited Before Disclosure
CVE-2026-76460 (CVSS 10.0) lets unauthenticated attackers bypass Cisco ISE's web management entirely via a privileged API endpoint and get root — Cisco found it while cleaning up a customer who was already compromised, and CISA added it to KEV within a day.
CVE-2026-5430: Active Exploitation of WSO2 API Manager JWT Bypass Delivers Forged Admin Tokens
Attackers are actively exploiting CVE-2026-5430 (CVSS 9.8), a JWT signature-verification flaw in WSO2 API Manager and its Universal Gateway, to forge tokens carrying administrator privileges — watchTowr's honeypots caught the first forged-admin-token traffic on September 13.
CVE-2026-75754: Chained Flaw in ASUS Control Center Enterprise Gives Unauthenticated Root
CVE-2026-75754 (CVSS 10.0) chains a missing-auth SSRF flaw with hardcoded SSH credentials to hand unauthenticated attackers root on ASUS Control Center Enterprise servers — and everything those servers manage.
cPanel CVE-2026-67401: EmailTrack SQL Injection Lets Mail Users Reach Root
A SQL injection in cPanel & WHM's EmailTrack feature lets any account with mail privileges write arbitrary files and execute code as root — CVSS 9.9, every supported version affected.
N-able Ships Fourth N-central Hotfix in Five Weeks After CVE-2026-86218 Pre-Auth RCE Hits Production
CVE-2026-86218, a maximum-severity static code injection flaw in N-able's N-central RMM platform, let unauthenticated attackers run arbitrary code on the server — and CISA confirms it was already exploited before the patch shipped.
Microsoft's September Patch Tuesday Sets a New Record: ~970 Flaws, Two Zero-Days Actively Exploited
Microsoft's largest Patch Tuesday ever ships fixes for roughly 970 CVEs, including two zero-days already under active attack in the Windows Update Stack and ALPC, plus a trio of CVSS 10.0 cloud-identity bugs in Azure AD B2C, Azure AI Language, and Copilot Studio.
MikroTrick: Chained MikroTik RouterOS SSH Bugs Give Unauthenticated Root, 122,500 Devices Exposed
CERT Polska's MikroTrick chain (CVE-2026-67276 + CVE-2026-86060) lets attackers bypass SSH authentication and escalate to full admin on MikroTik RouterOS — exploited in the wild since September 2, before patches shipped.
Dell Secure Connect Gateway: Five Chained Flaws Take an Unauthenticated Request to Root
Dell patched five chainable flaws in Secure Connect Gateway, including a token-replay auth bypass and a Docker-socket privilege escalation, that together let an unauthenticated network attacker reach root on the host.
PostGREShell (CVE-2026-6471): A 12-Year-Old PostgreSQL Flaw Turns Replication Access Into Root RCE
A missing-authorization bug in PostgreSQL logical decoding, present since version 9.4 in 2014, lets any account with REPLICATION privilege load an arbitrary library and execute code as the database server's OS user.
CVE-2026-49869: Kestra OSS Auth-Bypass Lets Unauthenticated Attackers Get Root RCE, CISA Sets Today as Federal Deadline
A suffix-match flaw in Kestra OSS's AuthenticationFilter lets anyone skip Basic Auth entirely and reach unauthenticated remote code execution as root, CVSS 10.0, now on CISA's KEV list.
FalconFlank: Unpatched Local Privilege Escalation Zero-Day in CrowdStrike Falcon Sensor, PoC Public
A public PoC dubbed FalconFlank abuses CrowdStrike Falcon Sensor's malicious-macro remediation to escalate a local user to SYSTEM on fully patched Windows 11 and Server 2025. No CVE, no vendor fix yet — only a workaround.
GPUThor: First Rowhammer Attack to Defeat ECC on NVIDIA Workstation GPUs
University of Toronto researchers show GPUThor beats NVIDIA's ECC mitigation for GDDR6 Rowhammer, closing the gap the GPUBreach disclosure left open for host root access.
Keycloak's Reset-Credentials Flow Lets Unauthenticated Attackers Take Over Any Account (CVE-2026-18963)
CVE-2026-18963 lets an unauthenticated attacker skip email verification in Keycloak's password-reset flow and set new credentials on any account. Patch to 26.7.2 (or 26.4.15/26.6.6 for Red Hat builds) now.
ShieldBreak (CVE-2026-69414): A Full Bypass of Microsoft's RoguePlanet Defender Patch, Still Unfixed
Nightmare Eclipse's ShieldBreak fully bypasses the fix for RoguePlanet, Microsoft Defender's earlier SYSTEM-privilege zero-day. Microsoft has assigned CVE-2026-69414 and confirmed a patch is in progress, but none has shipped.
CVE-2026-65400: macOS Screen Sharing Auth Bypass Exploited for Root Access, Added to CISA KEV
CISA added CVE-2026-65400, a pre-auth bypass in macOS Screen Sharing, to its KEV catalog after attackers used it to gain root on internet-exposed Macs and drop Monero miners; CVSS was raised to 9.8 following public PoC release.
CopyEscape (CVE-2026-17106): A Malicious Container Can Overwrite Files on the Docker Host via `docker cp`
CVE-2026-17106 ('CopyEscape'), found by Imperva's Red Team, lets a malicious or compromised container hijack docker cp to overwrite arbitrary files on the host — and, when the copy runs with elevated privileges, replace runc to get root. Docker has shipped fixes across Engine, Desktop, and Sandboxes.
Lazarus Burned a Windows Kernel Zero-Day to Deploy FudModule Before Patch Tuesday Shipped
CVE-2026-68820, a use-after-free in the Windows AFD.sys WinSock driver, was exploited by North Korea's Lazarus group to deploy an upgraded FudModule rootkit weeks before Microsoft's August Patch Tuesday fix shipped.
Head Mare Exploits Unpatched TrueConf Servers to Trojanize Client Installers with PhantomCore and PhantomGraph
Head Mare is chaining two unpatched TrueConf videoconferencing server flaws to reach SYSTEM, then replacing legitimate client installers with trojanized builds that drop the PhantomCore and PhantomGraph backdoors.