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ARCHIVED ISSUE

Tuesday 3 November 2026

● 3 critical● 6 warning● 13 storiesin𝕏
AT A GLANCE
● CRITIvanti Connect Secure: two more chained zero-days patched● CRITOver 1,000 GitLab servers still open to exploited RCE flaw● CRITSynology warns of C3RB3R ransomware hitting NAS devices● WARNCritical Linux kernel TCP flaw rated CVSS 9.8● WARNPalo Alto assesses impact of two critical PHP flaws● WARNFake IT support on Teams used to steal AD CS certificates● WARNCanonical LXD and MicroCloud flaw lets attackers skip private key● WARNCritical Langflow flaws allow unauthenticated code execution● WARNAnthropic's Cursor VS Code extension backdoored for nearly 12 hours● INFOMicrosoft quietly fixes Windows troubleshooter privilege escalation bugs● INFOMicrosoft fixes Smart App Control broken by October Windows update● INFOGoogle dismantles 1.3 million-device XCPE Android TV box botnet● INFOSecond wave of fridge hacks spoils food in European supermarkets
☁️ M365/AZURE2 items
INFO☁️ M365/Azure

Microsoft quietly fixes Windows troubleshooter privilege escalation bugs

Microsoft fixed a privilege escalation flaw in a Windows troubleshooter. An Australian researcher earned US$16,000 in bounties for two diagnostics bugs.

Affects: Windows systems

DO THIS ▸ Keep Windows endpoints current with the latest cumulative updates.
iTnews · Read more →
INFO☁️ M365/Azure

Microsoft fixes Smart App Control broken by October Windows update

A known issue stopped some users activating Smart App Control after installing the October 2026 KB5127648 Windows 11 update. Microsoft says it is now resolved.

Affects: Windows 11 with KB5127648

DO THIS ▸ Re-check Smart App Control on affected Windows 11 machines that couldn't enable it.
BleepingComputer · Read more →
🔐 SECURITY4 items
CRITICAL🔐 Security

Over 1,000 GitLab servers still open to exploited RCE flaw

A maximum-severity GitLab flaw is being actively exploited for remote code execution. Alpine Linux rebuilt its GitLab server and reset passwords after an attempted attack on 20–21 October.

Affects: Internet-exposed self-hosted GitLab servers

DO THIS ▸ Patch self-hosted GitLab to the latest release immediately and review instances for signs of compromise.
BleepingComputer · Read more →
CRITICAL🔐 Security

Synology warns of C3RB3R ransomware hitting NAS devices

Synology says attacks using C3RB3R ransomware against its NAS appliances are surging. NAS boxes commonly hold client files and backups, so they're a high-value target.

Affects: Synology NAS devices

DO THIS ▸ Update all Synology NAS devices now, as Synology instructs, and confirm offline or immutable backups exist.
BleepingComputer · Read more →
WARNING🔐 Security

Fake IT support on Teams used to steal AD CS certificates

Attackers posing as IT support on Teams got staff to grant remote control. They then abused weak AD CS settings to get certificates for privileged accounts, including a domain controller.

Affects: Microsoft Teams tenants and Active Directory Certificate Services

DO THIS ▸ Restrict external Teams chat and remote-control tools, and audit AD CS templates for insecure settings.
The Hacker News · Read more →
INFO🔐 Security

Google dismantles 1.3 million-device XCPE Android TV box botnet

Google took down the servers behind XCPE, a backdoor in set-top box firmware. It says maker Videostrong shipped the devices infected on purpose, and has banned the company.

Affects: Videostrong Android TV boxes

DO THIS ▸ Find and remove these boxes from client networks, especially hospitality and office setups.
BleepingComputer · Read more →
🔥 NETWORKING4 items
CRITICAL🔥 Networking

Ivanti Connect Secure: two more chained zero-days patched

Ivanti released fixes for two more Connect Secure flaws, chained with a third for unauthenticated root access since at least 1 October. CISA lists CVE-2026-111357 as exploited.

Affects: Ivanti Connect Secure (ICS) VPN gateways

DO THIS ▸ Apply Ivanti's latest Connect Secure updates now and check appliances for signs of compromise since 1 October.
BleepingComputer · Read more →
WARNING🔥 Networking

Critical Linux kernel TCP flaw rated CVSS 9.8

Fortinet's PSIRT lists CVE-2026-98432, a kernel race condition in IPv4 SYN handling, as a remote code execution risk. SANS notes it relates to the Multipath TCP code. No exploitation reported in the candidates.

Affects: Linux kernel systems and appliances

DO THIS ▸ Watch for distro and vendor kernel updates and schedule patching; no fixed versions are listed in the source.
Fortinet PSIRT · Read more →
WARNING🔥 Networking

Palo Alto assesses impact of two critical PHP flaws

Palo Alto Networks published an advisory on how two critical PHP vulnerabilities affect its products. The snippet doesn't say which products are affected or whether fixes exist.

Affects: Palo Alto Networks products (see advisory)

DO THIS ▸ Read the Palo Alto advisory for CVE-2026-109618 and check whether client firewalls are listed.
Palo Alto PSIRT · Read more →
WARNING🔥 Networking

Canonical LXD and MicroCloud flaw lets attackers skip private key

A CVSS 10.0 flaw lets an attacker log in as a trusted client without its private key. They need network access to the HTTPS API and the client's public certificate.

Affects: Canonical LXD and MicroCloud

DO THIS ▸ Apply Canonical's fix once confirmed, and restrict network access to the LXD HTTPS API meanwhile.
The Hacker News · Read more →
🤖 AI/TOOLING2 items
WARNING🤖 AI/Tooling

Critical Langflow flaws allow unauthenticated code execution

Two critical Langflow flaws let a remote attacker with no account bypass authentication or run arbitrary code on the server. IBM disclosed them last week.

Affects: Langflow servers, every release from 1.0.0 (upper bound not shown)

DO THIS ▸ Check IBM's advisory for the fixed version and keep Langflow instances off the public internet.
The Hacker News · Read more →
WARNING🤖 AI/Tooling

Anthropic's Cursor VS Code extension backdoored for nearly 12 hours

Attackers compromised the verified Anthropic extension on Cursor in a supply-chain attack. It's still unknown how they got into the account. Anthropic blames a malicious actor.

Affects: Cursor users with the Anthropic extension

DO THIS ▸ Check whether developers installed or updated the extension during the compromise window and rotate exposed credentials.
Ars Technica · Read more →
📡 INDUSTRY1 item
INFO📡 Industry

Second wave of fridge hacks spoils food in European supermarkets

Three weeks after the French attack, hackers remotely changed refrigeration settings at stores in Belgium, Luxembourg and Sweden, spoiling food. A reminder to check remote access on building and OT systems.

Affects: European supermarket chains' refrigeration systems

Help Net Security · Read more →
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