F5, Juniper Networks Patch Critical Vulnerabilities ↗

F5 and Juniper Networks have released patches for critical vulnerabilities affecting their network devices. Successful exploitation of these flaws could allow attackers to achieve remote code execution and gain full control over compromised devices.

Microsoft: October Windows update may break Smart App Control ↗

Microsoft has reported that the October Windows 11 security update (KB5127648) may prevent users from enabling Smart App Control. This issue affects some users and could impact their ability to utilize this built-in security feature.

BAE Systems cyberattack disrupts US federal court operations ↗

BAE Systems, a government contractor, has been the victim of a cyberattack that has disrupted the notice system for US federal bankruptcy courts. The Administrative Office of the US Courts confirmed the incident, which has impacted the ability of these courts to send out notifications.

Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers ↗

Threat actors are exploiting a critical remote command execution vulnerability, CVE-2026-110447, in the Collabora Online app for Nextcloud. This allows attackers to backdoor Nextcloud servers, potentially leading to further compromise.

Critical PwnEscape Linux Kernel Vulnerability Lets Guest VMs Read Host Memory ↗

A critical vulnerability, dubbed PwnEscape (CVE-2026-99999), has been discovered in the Linux kernel that allows code running within a virtual machine to read memory from the host system. A researcher successfully demonstrated this exploit against Vercel's cloud sandboxes, and the company has confirmed the issue.

Hackers hijack D-Link, Ubiquiti devices to resell your stolen bandwidth ↗

Hackers have launched a proxyjacking campaign that has affected D-Link and Ubiquiti devices in 34 countries. The campaign hijacks victims' internet connections to resell their bandwidth through a commercial residential proxy network, effectively monetizing the stolen access.

Cisco warns of actively exploited Secure Email Gateway flaw ↗

Cisco has issued a warning about a critical vulnerability in its Secure Email Gateway product, tracked as CVE-2026-76519. The flaw allows attackers to write arbitrary files to the underlying operating system and execute commands with root privileges, and is actively being exploited in the wild. Cisco has released software updates to address the issue, but no workarounds are available.

Thermo Fisher Torrent Suite Software ↗

Thermo Fisher Torrent Suite Software versions less than or equal to 5.18 are affected by a path traversal vulnerability. Successful exploitation allows an authenticated attacker to read arbitrary files on the Torrent Server.

Guangzhou Juan IoT Technology EseeCloud ↗

Multiple vulnerabilities have been identified in Guangzhou Juan IoT Technology's EseeCloud App and Firmware, specifically versions <=4.9.6 and <=4.9.86.0, respectively. Successful exploitation of these vulnerabilities, including the use of hard-coded credentials, could allow an attacker to gain control over affected IP cameras.

J4Care dcm4che ↗

Multiple vulnerabilities have been identified in J4Care dcm4chee-arc-light versions prior to 5.35.2, potentially allowing attackers to delete medical images, expose patient data, and inject forged studies. Successful exploitation could lead to significant data compromise and service disruption within healthcare systems worldwide. J4Care has released version 5.35.2 to address these security flaws.

Eclipse Foundation Eclipse Milo ↗

CISA has issued an alert regarding multiple vulnerabilities in Eclipse Foundation's Eclipse Milo software, specifically versions 0.6.0 through 1.1.4. Successful exploitation could lead to data deletion, credential theft, or denial-of-service conditions.

CISA Malcolm ↗

CISA has identified multiple vulnerabilities in CISA Malcolm, specifically affecting versions prior to v26.08.0. These vulnerabilities include authentication bypass, SSRF, and CSRF, which could allow unauthenticated attackers to access sensitive data or execute unauthorized actions. A patch is available in Malcolm Version v26.08.0.

Attackers exploit Palo Alto PAN-OS flaw for root access as CISA orders three-day fix ↗

Attackers are actively exploiting a critical vulnerability (CVE-2026-0322) in Palo Alto Networks' PAN-OS software, allowing for arbitrary code execution with root privileges. The US Cybersecurity and Infrastructure Security Agency (CISA) has added this flaw to its Known Exploited Vulnerabilities catalog and mandated federal agencies to patch it by October 17, with requirements for forensic triage to detect prior compromise.

Microsoft fixes bug causing Windows black screens, Explorer crashes ↗

Microsoft has released a fix for a bug that caused black screens, desktop loading problems, and Windows Explorer crashes on Windows 11 systems. The issue emerged after updates installed since August, impacting user experience and system stability. The company has now addressed the problem with a subsequent patch.

EU Grocers Pay a Steep Price for Unpatched Fridge Firmware ↗

Hundreds of European grocery stores experienced significant financial losses due to unpatched firmware in their refrigeration systems. These outdated Operational Technology (OT) systems were managed by third-party providers, highlighting a critical security oversight.

Palo Alto Networks Patches PAN-OS Zero-Day Exploited for Remote Code Execution ↗

Palo Alto Networks has released a patch for a zero-day vulnerability in its PAN-OS software that was being actively exploited by attackers. The vulnerability allows for remote code execution on customer firewalls, and the company has provided indicators of compromise (IoCs) to help customers detect exploitation.

Palo Alto Networks Patches PAN-OS Authenticated RCE Flaw Amid Active Exploitation ↗

Palo Alto Networks has released security updates for a critical remote code execution (RCE) vulnerability in its PAN-OS software. The flaw, identified as CVE-2026-0322, has a CVSS score of 8.6 and is actively being exploited by attackers. The vulnerability allows for code execution through the management interface.

Palo Alto Networks warns of PAN-OS RCE flaw exploited in attacks ↗

Palo Alto Networks has issued a warning about a critical zero-day vulnerability in their PAN-OS software, identified as CVE-2026-0322. This remote code execution (RCE) flaw is being actively exploited in attacks against their firewalls.

Ivanti ICS Zero-Day Attacks Highlight Vendor Patching Hurdles ↗

A zero-day vulnerability, CVE-2026-104935, in Ivanti products allowed for authentication bypass and remote code execution. Threat actors exploited this vulnerability, which was only partially patched in July, highlighting challenges in vendor patching processes for industrial control systems (ICS).

Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability ↗

Cisco has issued a warning about active attacks exploiting a critical vulnerability in their Secure Email Gateway. This flaw allows an unauthenticated attacker to write files to the appliance's operating system by sending a crafted email attachment. Successful exploitation could enable attackers to execute commands with root privileges.

Ledger asks sellers across Asia to halt sales after supply-chain attack ↗

Ledger has instructed its resellers and distributors across several Asian countries to halt sales of its hardware wallets and remove them from shelves. This action is in response to an ongoing investigation into potential device tampering within the supply chain.

Hackers Backdoor Nextcloud Servers Through Critical Flaw in Collabora’s Built-in CODE App ↗

Attackers have exploited a critical vulnerability in the Collabora Online - Built-in CODE Server app, an optional component for Nextcloud, to gain unauthorized access and install web shells on affected servers. The first reported attack occurred on September 10th, and the vulnerability allows attackers to execute commands with the privileges of the web server account.

Microsoft fixes VPN issues caused by September Windows updates ↗

Microsoft has released a fix for a known issue that caused problems with Always On VPN connections after users installed the September 2026 Windows 11 security updates. The update resolves the connectivity problems that arose from the previous patches.

CISA Urges Immediate Ivanti Connect Secure Updates as Honeypots Log 105 Exploit Attempts ↗

CISA has issued an urgent directive for organizations to update their Ivanti Connect Secure appliances due to an actively exploited authentication bypass vulnerability. The flaw, identified as CVE-2026-104935 with a CVSS score of 8.6, has already been observed in 105 exploit attempts logged by honeypots.

You don’t need a nation state to warm up a fridge ↗

On October 11, 2026, hundreds of supermarket refrigerators and freezers across France were intentionally warmed up, leading to significant food spoilage. This incident affected multiple major retailers including Intermarché, Netto, Carrefour Market, and Monoprix, with E.Leclerc also reporting issues. The Paris prosecutor has reported associated fires.

Hackers abuse the Ivanti Connect Secure bug to gain access without accounts ↗

Attackers are exploiting an authentication bypass vulnerability (CVE-2026-104935) in Ivanti Connect Secure appliances, allowing them to gain access without legitimate accounts. The flaw enables arbitrary command execution on compromised devices, and CISA has added it to its Known Exploited Vulnerabilities catalog.

Microsoft: Recent Windows updates may trigger Remote Desktop failures ↗

Microsoft has confirmed that recent Windows updates may cause Remote Desktop connection failures for non-administrator users when the "Administrator protection" feature is enabled. This issue prevents users from establishing Remote Desktop sessions to devices.

Unplug your smart fridges, French supermarkets warned after cyberattack ↗

French supermarkets were warned by CERT-FR to disconnect internet-connected refrigeration control systems following a cyberattack that ruined chilled food stocks. The advisory recommends reconnecting via a secure VPN and verifying configurations, with temporary measures including IP address filtering.

AI-Found Linux Kernel Flaw Gives Local Users Root, and Can Break a Guest Out to the Host ↗

A flaw in Linux's vhost subsystem, tracked as CVE-2026-74580 and named Vghost, allows local users to read and write kernel memory, granting them root privileges. In virtualization environments, this vulnerability can enable an untrusted virtual machine to access and manipulate the host's memory, potentially hijacking the virtual machine's execution program.

SAP Patches Critical NetWeaver, S/4HANA Vulnerabilities ↗

SAP has released patches for critical vulnerabilities in its NetWeaver and S/4HANA platforms. These bugs could allow attackers to invoke internal operations and execute code, leading to complete system compromise.

Four-Byte Write and Timing Bug Let Researchers Run Code in Windows SmartScreen Enclave ↗

Security researchers have successfully executed their own code within a Windows VBS (Virtualization-based Security) enclave, a protected memory region designed to safeguard sensitive information. The specific enclave targeted by the researchers is responsible for handling passwords for Windows' anti-phishing feature, SmartScreen. This was achieved through the exploitation of a four-byte write and a timing bug.

Risky Bulletin: Spyware chip found in Ledger crypto-wallets ↗

A spyware chip has been discovered in Ledger crypto-wallets. In unrelated news, a cyberattack caused widespread outages at Ahold Delhaize supermarkets, defrosting fridges, and the EU is proposing regulations for smart glasses to indicate recording.

CVE-2026-0322: Palo Alto Networks PAN-OS Code Injection Vulnerability ↗

Palo Alto Networks PAN-OS has a code injection vulnerability (CVE-2026-0322) allowing authenticated attackers with network access to execute arbitrary code with root privileges on firewalls. Organizations must apply vendor-provided mitigations and comply with CISA's guidance on prioritizing security updates.

Microsoft releases Windows 10 KB5126657 extended security update ↗

Microsoft has released the Windows 10 KB5126657 extended security update, containing the October 2026 Patch Tuesday fixes along with other bug fixes and changes. This update addresses security vulnerabilities and improves the stability of the operating system.

October 2026 Microsoft Patch Tuesday, (Tue, Oct 13th) ↗

Microsoft released patches for 1,417 vulnerabilities on October 13, 2026. Of these, 76 are rated critical, with 7 requiring no customer action. One vulnerability was publicly disclosed before the patch release, and another is already being exploited.