All news in category “Security Advisory and Patch Watch”

🔒 Apple issued security updates to fix a zero-day in dyld (CVE-2026-20700) that was exploited in an extremely sophisticated targeted attack against specific individuals. Apple warns an attacker with memory write capability may be able to execute arbitrary code on affected devices. Patches are available in iOS 18.7.5, iPadOS 18.7.5, macOS Tahoe 26.3, tvOS 26.3, watchOS 26.3 and visionOS 26.3; users and administrators should install them immediately to reduce risk.

🔒Microsoft fixed a remote code execution vulnerability in Windows 11 Notepad that allowed specially crafted Markdown links to launch local or remote programs without triggering Windows security dialogs. Tracked as CVE-2026-20841, the issue originated from Notepad's Markdown rendering treating certain file- and protocol-based links as clickable and unverified. Microsoft patched the flaw in the February 2026 Patch Tuesday updates and is distributing the Notepad update via the Microsoft Store; Notepad now displays a warning for non-http(s) links, though attackers could still try to social-engineer users into accepting prompts.

🔒 It's Patch Tuesday: more than 60 software vendors released security updates addressing flaws across OS, cloud, and networking platforms. Microsoft fixed 59 vulnerabilities, including six actively exploited zero-days that can bypass protections, escalate privileges, or cause DoS. SAP patched two critical bugs — a SQL injection in CRM/S/4HANA (CVE-2026-0488, CVSS 9.9) and a missing authorization in NetWeaver ABAP (CVE-2026-0509, CVSS 9.6) — which may require kernel updates and role or UCON adjustments. Intel and Google also disclosed five TDX 1.5 vulnerabilities and numerous improvement suggestions; Adobe released multiple product updates with no known in-the-wild exploits reported.

🔒 Microsoft released security updates fixing 59 vulnerabilities across Windows and related products, including six flaws Microsoft says are being actively exploited. The update includes five Critical, 52 Important and two Moderate fixes, addressing privilege escalation, remote code execution, spoofing and information disclosure. Microsoft and external researchers reported several actively exploited CVEs; CISA has added them to its KEV catalog with a March 3, 2026 remediation deadline for federal agencies.

🔒 Microsoft released updates to fix six actively exploited zero-day vulnerabilities, three of which have been publicly disclosed. The issues include security feature bypasses in Windows Shell, MSHTML and Word, plus elevation-of-privilege and denial-of-service flaws affecting DWM, Remote Access Connection Manager and Remote Desktop Services. None are rated critical and only five of 58 patches this month were classed as critical. Administrators should prioritise applying updates and monitoring for exploitation.

🔒 Microsoft’s February 2026 Patch Tuesday delivers 60 fixes, including six vulnerabilities the vendor says are actively exploited. Three are security feature bypass flaws in Windows Shell, MSHTML and Office OLE mitigations; two permit local elevation to System, and one enables local denial-of-service. Experts note patches are straightforward and require no post-patch configuration, but prioritization of the bypasses and cloud-related issues is urgent.

🔔 Microsoft released its February 2026 security updates addressing 59 vulnerabilities across Windows and cloud products, including two Critical issues in ACI Confidential Containers. Several vulnerabilities are reported as actively exploited and others have been publicly disclosed, impacting components such as Windows Shell, MSHTML, Office, Azure, Hyper-V, and GitHub Copilot. Talos is publishing a new Snort ruleset to detect exploitation attempts; administrators should apply Microsoft patches and update intrusion detection signatures promptly.

🔒 BeyondTrust has released emergency patches to address a critical unauthenticated remote code execution vulnerability in self-hosted instances of Remote Support and Privileged Remote Access. Tracked as CVE-2026-1731 and discovered in January by Hacktron AI, the flaw is rated 9.9/10. BeyondTrust published Patch BT26-02-RS for RS 21.3–25.3.1 and Patch BT26-02-PRA for PRA 22.1–24.x; PRA 25.1+ are not affected and SaaS tenants were patched server-side. Around 11,000 RS instances are internet-exposed, roughly 8,500 of which are on-premises and need immediate patching.

🔒 Microsoft released February 2026 Patch Tuesday updates addressing more than 50 vulnerabilities, including six actively exploited zero-days. Patches cover security feature bypasses in Windows Shell, MSHTML and Word, elevation-of-privilege flaws in Remote Desktop Services and Desktop Window Manager, and a denial-of-service risk in the Remote Access Connection Manager. Administrators and developers are urged to prioritize testing and deployment, maintain recent backups, and apply least-privilege controls to limit exposure, particularly for AI-assisted development workflows.

🔒 Microsoft released the Windows 10 KB5075912 extended security update for ESU-enrolled systems and Enterprise LTSC installations to address February 2026 Patch Tuesday fixes, including six actively exploited zero-day vulnerabilities. After installation, affected systems are updated to build 19045.6937 (or 19044.6937 for LTSC 2021). The update also continues a phased rollout of replacement Secure Boot certificates and resolves a Secure Launch-related shutdown/hibernation issue.

🔒 Microsoft released its February 2026 Patch Tuesday security update addressing 58 flaws, including six actively exploited zero-days and three that were publicly disclosed. The release fixes five Critical bugs and numerous elevation-of-privilege, remote code execution, and information disclosure issues across Windows and Office components. Microsoft also began a phased rollout of updated Secure Boot certificates to replace expiring 2011 certificates and has integrated built-in Sysmon functionality into Windows 11 insider builds.

🔒 Microsoft released Windows 11 cumulative updates KB5077181 (for 25H2/24H2) and KB5075941 (for 23H2) delivering the February 2026 Patch Tuesday security fixes, bug fixes, and feature improvements. The updates move systems to 26200.7840 (25H2), 26100.7840 (24H2), and 226x1.6050 (23H2). Notable additions include Cross‑Device Resume expansion, an inbox Windows MIDI Services implementation, enhanced Windows Hello peripheral fingerprint support, and a user toggle for Smart App Control. Install via Settings > Windows Update or download from the Microsoft Update Catalog.

🔐 Microsoft has begun rolling out updated Secure Boot certificates through regular monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026. The automatic refresh targets devices with Microsoft-managed updates; many PCs shipped since 2024 and most built in 2025 already include the new certificates. Some systems may still require separate OEM firmware updates before the new certs can be installed. Administrators can also deploy the new certificates via registry keys, Group Policy, or the Windows Configuration System to ensure Windows Boot Manager and Secure Boot protections remain in place.

🔒 Analysis by Huntress shows SolarWinds Web Help Desk instances are being actively exploited through a chain of zero‑day and previously disclosed deserialization flaws from late 2025 and January. The incidents combine two January zero‑days—CVE-2025-40551 (deserialization RCE) and CVE-2025-40536 (authentication bypass)—with the earlier CVE-2025-26399. Organizations should urgently upgrade to WHD 2026.1, follow SolarWinds' release notes, reset service and admin credentials, and treat any unexpected Velociraptor, Cloudflared, or Zoho Assist activity and silent MSI installations as indicators of compromise.

⚠ AVEVA's PI Data Archive contains an uncaught-exception vulnerability (CVE-2026-1507) that can allow an unauthenticated remote attacker to crash PI core services and cause denial of service. Affected versions include PI Server <=2018_SP3_Patch_7, 2023 (including 2023_Patch_1), and 2024. The issue has a CVSS 3.1 base score of 7.5 (High). AVEVA recommends upgrading to PI Server 2024 R2 or applying vendor patches and restricting inbound access to TCP port 5450.

🔒 The ZOLL ePCR iOS mobile application (version 2.6.7) contains a WebView input-sanitization flaw (CVE-2025-12699) that can reflect attacker-controlled strings into rendered HTML/JavaScript. Proof-of-concept testing shows injected scripts may read local application files, potentially exposing device telemetry and protected health information (PHI). CISA assigns a CVSS v3.1 base score of 5.5 (MEDIUM), notes the issue is not remotely exploitable, and reports no known public exploitation. ZOLL decommissioned the iOS app in May 2025 and has no replacement planned.

⚠️ CISA added six Microsoft-related vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog on February 10, 2026, citing evidence of active exploitation. The entries include CVE-2026-21510, CVE-2026-21513, CVE-2026-21514, CVE-2026-21519, CVE-2026-21525, and CVE-2026-21533, affecting Windows, MSHTML, and Office components. Federal agencies must remediate KEV entries under BOD 22-01, and CISA urges all organizations to prioritize patching to reduce exposure.

⚠️ AVEVA reported that PI to CONNECT Agent (<=v2.4.2520) contains a vulnerability that can record sensitive proxy connection details in event logs. An attacker with local Event Log Reader (S-1-5-32-573) privileges could extract proxy URLs and credentials from those logs and gain unauthorized access to the proxy server. The issue is not remotely exploitable; the vendor’s fix is v2.5.2790 or later. Users should review and sanitize logs, rotate proxy credentials, avoid plain-text passwords in proxy URLs, and restrict Event Log Reader privileges.

⚠️ Yokogawa's FAST/TOOLS (versions R9.01–R10.04) contains multiple web and cryptographic vulnerabilities tracked across 14 CVEs that could enable redirection to malicious sites, decryption of communications, man-in-the-middle attacks, cross-site request forgery, script execution, and unauthorized file access. Example CVSS v3 scores reach up to 8.2 for some issues. Yokogawa advises updating to R10.04, applying patch CS_e12787, then installing R10.04 SP3. CISA recommends minimizing Internet exposure for control systems, isolating OT networks behind firewalls, and using secure remote access.

⚠️ CISA reports two critical authentication vulnerabilities in ZLAN Information Technology Co. ZLAN5143D v1.600. CVE-2026-25084 allows authentication bypass via direct access to internal URLs, while CVE-2026-24789 exposes an unprotected API that enables remote password changes without credentials. Both are scored CVSS 3.1 9.8. CISA notes the vendor did not respond to coordination; users should minimize network exposure, restrict internet access to devices, contact the vendor, and keep systems updated.