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Microsoft awarded researcher Sam Chen (Samchen) US$4,000 for reporting CVE-2026-81376, a critical (CVSS 3.1 score 9.6) Workspace Trust security feature bypass in Visual Studio Code versions before 1.136.2. A specially prepared workspace could connect to an attacker-controlled service and bypass Restricted Mode, potentially exposing local …
Microsoft attributed the recent supply-chain attack on ConnectWise customers' Microsoft 365 environments to Storm-0940, a China-state aligned actor active since 2021. Since at least September 2026 the group has used the open-source agentic AI penetration testing framework ARTEX to automate attacks against hundreds of organizations worldwi…
CERT-FR advisory CERTFR-2026-AVI-1342 reports a large batch of vulnerabilities in Microsoft Edge that could let an attacker achieve remote arbitrary code execution and cause an additional security issue the vendor has not specified. The advisory lists more than 130 Microsoft security bulletins dated 16 October 2026, from CVE-2026-102322 t…
CERT-FR advisory CERTFR-2026-AVI-1331, published 16 October 2026, reports multiple vulnerabilities in Microsoft Office products. They allow an attacker to achieve remote arbitrary code execution, compromise data confidentiality and bypass the security policy. The advisory is based on Microsoft security bulletins dated 15 October 2026 cove…
CERT-FR advisory CERTFR-2026-AVI-1332, published 16 October 2026, reports multiple vulnerabilities in Microsoft products that may allow remote arbitrary code execution, privilege escalation, remote denial of service and breach of data confidentiality. The advisory is based on Microsoft security bulletins dated 15 October 2026 for four CVE…
CERT-FR advisory CERTFR-2026-AVI-1323, published 15 October 2026, reports a vulnerability in Microsoft SharePoint Server Subscription Edition that allows an attacker to elevate privileges. The flaw is tracked as CVE-2026-88164 and is based on a Microsoft security bulletin dated 13 October 2026. The advisory does not state whether the flaw…
CERT-FR advisory CERTFR-2026-AVI-1313 reports multiple vulnerabilities in Microsoft .NET, ASP.NET Core and .NET Framework, covered by Microsoft's October 13, 2026 security bulletins for 43 CVEs. Some of them allow an attacker to achieve remote arbitrary code execution, privilege escalation and remote denial of service. The advisory also l…
CERT-FR advisory CERTFR-2026-AVI-1316 reports multiple vulnerabilities across Microsoft products, based on Microsoft security bulletins dated 13 October 2026. According to the advisory, some flaws allow an attacker to achieve remote arbitrary code execution, privilege escalation and remote denial of service. Other listed impacts are data …
CERT-FR advisory CERTFR-2026-AVI-1315 reports multiple vulnerabilities in Microsoft Azure components, published on 14 October 2026. Some of them allow remote arbitrary code execution, privilege escalation, security policy bypass and loss of data confidentiality. Microsoft published the corresponding security bulletins on 13 October 2026. …
ConnectWise has disabled its cloud backup offering amid concern for downstream managed service providers (MSPs) and their customers. Researchers say attackers authenticated into Microsoft 365 tenants using ConnectWise credentials. ConnectWise says customer impact remains unconfirmed. The available article text is limited to the headline a…
Microsoft's October 2026 Patch Tuesday addresses 1,407 CVEs across 301 products and components, the largest release on record for the second consecutive month. 69 are rated critical, 1,337 important and 1 low. Two zero-days are fixed: CVE-2026-96951, a Windows Shell security feature bypass exploited in the wild, and CVE-2026-108398, a .NE…
Check Point researchers report large-scale phishing campaigns that abuse fake calendar invitations to harvest Microsoft account credentials. Lures arrive either as a malicious .ics attachment or as a link, for example in a fake Microsoft Teams meeting invite, that appears to point to one destination but leads to a credential-harvesting pa…
SentinelOne reports observing APT29 (Midnight Blizzard / Cozy Bear, Russia's SVR) running the CaptiveCrunch campaign, disclosed by Microsoft in July 2026, across multiple customer environments in three regions. The operation abuses captive-portal behaviour and forged name resolution to push fake browser updater downloads to roaming Window…
Kaspersky analysis of an installer first classified as adware (MD5 c24e99f9437feacaa63766a3cde3fe3d) found that it delivers the ValleyRAT backdoor. The installer drops a modified, signed Chinese wallpaper tool, QN Wallpaper, and uses it for DLL sideloading of a malicious libcef.dll. The adware's advertising function does not work. Attacke…
Pillar Security researcher Eilon Cohen disclosed on October 19 a critical remote code execution flaw in the open-source agentic AI coding tool OpenCode (developed by Anomaly), affecting versions 1.0.137 to 1.18.32 on Windows and WSL. A malicious remote MCP server can execute arbitrary code on a developer's machine during the MCP OAuth aut…
ConnectWise said it is still responding to a security incident involving unauthorized access to application identities tied to Cloud Backup. The incident was identified on October 14, 2026, and mitigations began rolling out on October 17. The company has disabled the affected application connections, suspended Cloud Backup, and suspended …
CISA added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation: CVE-2026-65660, a code injection flaw in Microsoft SharePoint, and CVE-2026-67279, an improper enforcement of behavioral workflow flaw in MikroTik RouterOS. CISA describes these vulnerability types as a frequent at…
Researcher ahacker1, using the Hacktron AI tooling, disclosed a bypass of earlier fixes for prompt-injection-to-RCE in VS Code Copilot Chat agent mode. A TOCTOU flaw in the applyPatchTool component lets a crafted prompt write files outside the workspace without user confirmation. The attack can be triggered by pasting a prompt into Copilo…
Proofpoint disclosed an active campaign, tracked as UNKCondorFiltration, that used the TeamFiltration offensive framework against more than 5,700 accounts across 28 Microsoft 365 tenants. It focused mainly on Chilean retail and financial institutions and originated from 1,487 unique AWS EC2 IP addresses. Seven accounts were compromised, a…
Kaspersky identified MovieReaper, a previously unknown modular, multi-stage crimeware framework distributed since mid-August 2026 through movie-themed torrents, including fake "The Odyssey (2026)" releases. Rather than compromising individual trackers, the actor modified the public torrent file repository itorrents.org, so trackers relyin…
