QCS Security Advisory Desk

Security Advisory Desk.

Monitor network-edge vulnerabilities, known exploitation, affected products, mitigations, and vendor patch guidance without waiting for a weekly editorial cycle.

QCS pathSource-to-action path
  1. 01Official sourceMonitor vendors and trusted authorities.
  2. 02Verify contextCheck products, exposure, and evidence.
  3. 03Set prioritySeparate urgent action from useful reading.
  4. 04Act or learnPatch, mitigate, investigate, or prepare.

Live intelligence

See the items that can change today's patch or mitigation plan.

Priority combines source severity, known exploitation, remote attack conditions, recency, and network-edge relevance.

Critical or high41
Exploitation reported131
Vendors tracked10
Verified in 24 hours3
Showing 205-216 of 216Ordered by operational priority
QCS contextual unrated Ubuntu advisory illustration for USN-8637-1: Linux kernel (OEM) vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8637-1: Linux kernel (OEM) vulnerabilities

Multiple security weaknesses were found in the Linux kernel that an attacker might exploit to compromise your system. These issues affect many parts of the kernel, including hardware support and network features. Updating your system with the latest security patches will help protect you from these risks.

CVE-2026-46331CVE-2026-52924CVE-2026-53131CVE-2026-53146
Published
13 Aug 2026
CVSS
Not scored
Verified
14 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8631-2: Linux kernel (Oracle) vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8631-2: Linux kernel (Oracle) vulnerabilities

Several vulnerabilities were found in the Linux kernel used in Ubuntu, including a WiFi issue that could let nearby attackers inject data packets. Other weaknesses affect different parts of the system, potentially allowing attackers to compromise it. These problems have been fixed in a new software update. Users should update and restart their systems to stay protected.

CVE-2020-24588CVE-2025-27558CVE-2026-31414CVE-2026-31448
Published
13 Aug 2026
CVSS
Not scored
Verified
14 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8636-1: Linux kernel vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8636-1: Linux kernel vulnerabilities

Multiple security vulnerabilities were found in the Linux kernel used by Ubuntu. These weaknesses could let attackers take control of affected systems. The issues affect a wide range of kernel components and drivers, including network and file system elements. Ubuntu has released updates to fix these problems and users should apply them promptly and reboot to protect their systems.

CVE-2026-31405CVE-2026-31414CVE-2026-31501CVE-2026-31589
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8635-1: Linux kernel (Azure) vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8635-1: Linux kernel (Azure) vulnerabilities

Multiple security vulnerabilities were found and fixed in the Linux kernel used by Ubuntu systems running on Microsoft Azure. One issue allows nearby attackers to inject harmful WiFi packets due to a bug in how mesh network frames are handled. Another flaw, called Fragnesia, lets local users gain higher access privileges or escape from restricted environments called containers. Numerous other weaknesses affecting various parts of the kernel could let attackers compromise the system.

CVE-2020-24588CVE-2025-27558CVE-2026-43503CVE-2021-47202
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8634-1: Linux kernel vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8634-1: Linux kernel vulnerabilities

Multiple security weaknesses were found in the Linux kernel, which is the core of the Ubuntu operating system. Attackers could use these vulnerabilities to take control of or harm affected systems. This update fixes problems in many parts of the kernel, including hardware support, network communication, file systems, and encryption. Users should update their systems and reboot to protect themselves.

CVE-2026-31405CVE-2026-31414CVE-2026-31448CVE-2026-31649
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8633-1: Linux kernel vulnerabilities
unrated

Ubuntu / Priority 70

USN-8633-1: Linux kernel vulnerabilities

Multiple security flaws were found in the Linux kernel used by Ubuntu. One notable bug allows an attacker physically near your device to inject malicious WiFi packets because of a problem in handling certain WiFi frames in mesh networks. Other issues affect various parts of the kernel and could let attackers compromise your system.

CVE-2020-24588CVE-2025-27558CVE-2021-47354CVE-2021-47378
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8631-1: Linux kernel vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8631-1: Linux kernel vulnerabilities

Security researchers found multiple vulnerabilities in the Linux kernel used by Ubuntu. One key problem is with the WiFi code handling certain network frames, allowing nearby attackers to inject harmful packets. Other issues affect various parts of the kernel, which attackers might exploit to harm the system. Ubuntu has released updates to address these problems. Users should update their systems and restart to stay protected.

CVE-2020-24588CVE-2025-27558CVE-2026-31414CVE-2026-31448
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8630-1: Linux kernel vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8630-1: Linux kernel vulnerabilities

The Linux kernel in Ubuntu contains multiple security vulnerabilities affecting various parts of the system. An attacker could exploit these weaknesses to take control or compromise the system. Ubuntu has released updates to fix these vulnerabilities, and users should update and reboot their systems to protect themselves.

CVE-2026-43083CVE-2026-43197CVE-2026-43198CVE-2026-43465
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8629-1: Linux kernel vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8629-1: Linux kernel vulnerabilities

Multiple security flaws were found in different parts of the Linux kernel used by Ubuntu. These flaws might let attackers take control of the system. An update has been released to fix problems in several kernel subsystems, including those related to CPU architecture, network drivers, and protocols. Users should update their systems and reboot to apply these fixes.

CVE-2026-46331CVE-2026-52924CVE-2026-53131CVE-2026-53151
Published
12 Aug 2026
CVSS
Not scored
Verified
13 Aug 2026
Review evidence and action
unrated Exploitation reported

Cisco / Priority 70

Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

On August 5, 2026, Cisco announced multiple security advisories for various products including Cisco IOS XE and Cisco Catalyst SD-WAN. These advisories cover significant security vulnerabilities such as critical, high, and medium severity issues that could affect device security. Cisco recommends upgrading to the fixed software versions detailed in the advisories to fully address these vulnerabilities. No workarounds are available at this time.

CVE-2026-20303CVE-2026-20304CVE-2026-20310CVE-2026-20312
Published
5 Aug 2026
CVSS
Not scored
Verified
6 Aug 2026
Review evidence and action
QCS contextual unrated Ubuntu advisory illustration for USN-8615-2: Linux kernel (Raspberry Pi) vulnerabilities
unrated Exploitation reported

Ubuntu / Priority 70

USN-8615-2: Linux kernel (Raspberry Pi) vulnerabilities

Ubuntu says several Linux kernel issues were fixed in the Raspberry Pi kernel packages. One of the issues, called Fragnesia, could let a local attacker gain higher privileges or possibly escape a container. The notice is dated 29 July 2026 and the listed fixes apply to Ubuntu 20.04 LTS and 18.04 LTS Raspberry Pi kernel packages.

CVE-2026-43503CVE-2026-23272CVE-2026-23455CVE-2026-31402
Published
29 Jul 2026
CVSS
Not scored
Verified
30 Jul 2026
Review evidence and action
QCS contextual low Palo Alto Networks advisory illustration for CVE-2026-0301 PAN-OS: Information Disclosure Vulnerability in URL Filtering (Severity: LOW)
low

Palo Alto Networks / Priority 56

CVE-2026-0301 PAN-OS: Information Disclosure Vulnerability in URL Filtering (Severity: LOW)

A security vulnerability in Palo Alto Networks' PAN-OS software can leak sensitive information in the URL filtering feature. This issue affects firewalls using customized response pages for URL filtering, allowing network attackers without login credentials to access confidential data. Palo Alto Networks has released updated software versions to address the problem and offers mitigation advice for users with customized pages.

CVE-2026-0301PAN-OS
Published
12 Aug 2026
CVSS
Not scored
Verified
12 Aug 2026
Review evidence and action