All news with #patch tuesday tag

🔔 Microsoft released its January 2026 Patch Tuesday addressing 114 vulnerabilities, including three zero-days and several Critical flaws. Notable fixes include an actively exploited information-disclosure issue in Windows Desktop Window Manager (CVE-2026-20805) and publicly disclosed zero-days in Agere Soft Modem and Secure Boot. The release also remediates multiple Critical RCE and elevation-of-privilege issues across Windows and Microsoft Office. Organizations should prioritize testing and deployment and apply compensating controls where immediate patching is impractical.

⚠️ CISA added two vulnerabilities — in Microsoft Office PowerPoint (CVE-2009-0556, CVSS 8.8) and HPE OneView (CVE-2025-37164, CVSS 10.0) — to its Known Exploited Vulnerabilities catalog after observing evidence of active exploitation. The HPE flaw permits unauthenticated remote code execution and affects versions prior to 11.00; HPE has released hotfixes for OneView 5.20 through 10. A proof-of-concept exploit for CVE-2025-37164 was disclosed publicly on December 23, 2025, prompting eSentire to urge immediate patching. Federal agencies subject to BOD 22-01 are instructed to remediate by January 28, 2026.

🔔 CISA has added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog: CVE-2009-0556 (Microsoft Office PowerPoint code injection) and CVE-2025-37164 (HPE OneView code injection). CISA notes evidence of active exploitation and highlights that these vulnerability types are frequent attack vectors posing significant risk to the federal enterprise. Under BOD 22-01, Federal Civilian Executive Branch agencies are required to remediate KEV entries by the specified due date. CISA strongly urges all organizations to prioritize timely remediation as part of sound vulnerability management.

🔒 Bleeping Computer reports that attackers are actively exploiting an older FortiOS vulnerability, CVE-2020-12812, which can bypass two-factor authentication. Although Fortinet issued a patch in July 2020, researchers say at least 10,000 FortiGate firewalls remain unpatched. Administrators are urged to install the latest updates immediately to mitigate account access risks. Additional measures include restricting administrative access, rotating credentials, and monitoring logs for suspicious activity.

🛡️Microsoft addressed 1,246 CVEs in 2025, including 158 critical flaws and 41 zero‑days, highlighting an increasingly aggressive threat landscape and the use of AI by attackers to accelerate exploitation. Experts warned that several lower‑scored but actively abused bugs—such as ToolShell (CVE-2025-53770), CVE-2025-24993, and CVE-2025-30377—enabled remote code execution or privilege escalation in practice. Recommended actions include immediate remediation of highest‑risk items, automated triage to free analysts, and contextual prioritization using SSVC rather than relying solely on raw CVSS scores.

⚠️ Schneider Electric warns that a Microsoft WSUS vulnerability (CVE-2025-59287, CWE-502) impacts EcoStruxure™ Foxboro DCS Advisor and may allow remote code execution with system-level privileges (CVSS 3.1 9.8). Microsoft fixes (KB5070882, KB5070884) are available via WSUS and may require a reboot to complete installation. Apply the patches promptly, verify installation with Schneider Electric Global Customer Support, and follow recommended network isolation and access-control measures to reduce exposure.

⚠️ Apple and Google issued urgent patches for two actively exploited zero-days affecting iOS, macOS, Safari and Chrome's ANGLE library, while multiple high‑severity flaws in React, WinRAR, and .NET proxies are being weaponized in live attacks. Researchers also disclosed SOAPwn .NET proxy abuse and a CentreStack/Triofox token‑encryption failure leading to remote code execution. CISA added the WinRAR path‑traversal bug to KEV; LastPass was fined after the 2022 breach. Prioritize immediate patching and validate web and SSO defenses.

⚠️ Microsoft has released patches for three zero-day vulnerabilities in its December update, including an actively exploited kernel elevation-of-privilege in the Windows Cloud Files Mini Filter Driver (CVE-2025-62221). Two additional zero-days—an RCE in PowerShell (CVE-2025-54100) and an RCE in GitHub Copilot for JetBrains (CVE-2025-64671)—were publicly disclosed but not observed in the wild. Security experts warn attackers could chain the kernel flaw with other exploits to achieve full system or domain compromise.

🛡️ Microsoft released December 2025 patches addressing 56 Windows vulnerabilities, three rated Critical and 53 Important. The update fixes 29 privilege-escalation flaws, 18 remote code execution bugs and other defects, and includes two zero-days and one actively exploited use-after-free (CVE-2025-62221) in the Cloud Files Mini Filter Driver. Administrators are urged to prioritize the KEV-listed fix and follow vendor guidance for mitigation and monitoring.

🚨 Microsoft’s December Patch Tuesday delivers 57 fixes, but an actively exploited zero-day in Windows Cloud Files Mini Filter Driver (CVE-2025-62221) requires immediate remediation. The flaw is a low-complexity use-after-free escalation-of-privilege that can enable a local foothold to become full system compromise. Security teams should prioritize this patch, enforce least-privilege controls, and enhance monitoring where rapid patching isn't possible.

🛡️ Microsoft released its December 2025 Patch Tuesday addressing 57 vulnerabilities, two labeled as critical and the remainder as important. Cisco Talos notes Microsoft assessed exploitation of the two critical issues as less likely, while several important flaws are considered more likely to be attacked. Talos published Snort and Snort 3 rules to detect exploitation attempts and recommends updating firewall SRUs and applying vendor patches promptly.

🛡️ Microsoft released its final Patch Tuesday of 2025, addressing 56 vulnerabilities including one actively exploited zero-day, CVE-2025-62221, and two publicly disclosed bugs. The zero-day is a privilege escalation in the Windows Cloud Files Mini Filter Driver, a core component used by cloud sync services such as OneDrive. Three flaws received Microsoft’s Critical rating, including two Office bugs exploitable via Outlook’s Preview Pane. Administrators should prioritize updates for the flagged privilege escalation issues and apply patches promptly.

🔒 Microsoft's December 2025 Patch Tuesday delivers fixes for 57 vulnerabilities, including three zero-day flaws — one actively exploited and two publicly disclosed. The update addresses 19 remote code execution, 28 elevation of privilege, four information disclosure, three denial of service, and two spoofing issues across Windows, PowerShell, Office, Exchange Server and drivers. Administrators should prioritize the actively exploited CVE-2025-62221 and apply vendor patches promptly.

🔔 Microsoft released cumulative updates KB5072033 (25H2/24H2) and KB5071417 (23H2) as the December 2025 Patch Tuesday rollup. The mandatory updates include security fixes, bug patches, and new or enhanced features such as improved File Explorer dark mode, Virtual Workspaces advanced settings, and expanded Full‑Screen Experience for handheld devices. Install via Settings > Windows Update or the Microsoft Update Catalog; features will roll out gradually.

🔔 Microsoft’s December 2025 Patch Tuesday addresses 57 CVEs, including one actively exploited Important zero‑day in the Windows Cloud Files Mini Filter Driver and two publicly disclosed Important zero‑days impacting GitHub Copilot for JetBrains and PowerShell. Two Critical RCE flaws in Microsoft Office increase urgency for enterprise patching and remediation. Organizations should prioritize applying Microsoft fixes, adopt layered mitigations where patches are delayed, and use CrowdStrike Falcon dashboards to track affected assets and remediation progress.

🔒 Microsoft released updates addressing more than 60 vulnerabilities across Windows and related products, including a zero-day memory-corruption bug (CVE-2025-62215) that is already being exploited. Microsoft rates this issue important because exploitation requires prior access to the target device. Other high-priority fixes include a 9.8-rated GDI+ vulnerability (CVE-2025-60274) and an Office remote-code-execution flaw (CVE-2025-62199). Windows 10 users should install the enrollment fix KB5071959 before applying subsequent updates.

🔒 Microsoft released its November Patch Tuesday updates addressing over 60 CVEs, including an actively exploited Windows kernel zero-day (CVE-2025-62215). The flaw is a race-condition and double-free that can let low-privileged local attackers corrupt kernel memory and escalate to system privileges, though exploitation requires precise timing and local code execution. Administrators should also prioritise a critical GDI+ RCE (CVE-2025-60724, CVSS 9.8) that can be triggered by parsing specially crafted metafiles. Microsoft additionally issued an out-of-band update (KB5071959) to resolve Windows 10 Consumer ESU enrollment failures.

🔒 Microsoft’s November 2025 Patch Tuesday addresses 63 CVEs, including one actively exploited zero‑day and five Critical vulnerabilities that span Windows, Office, Developer Tools and third‑party products. This release is the first Extended Security Update (ESU) roll‑out for Windows 10 after its October 14 end‑of‑life; ESU enrollment and upgrade to 22H2 are required to receive fixes. CrowdStrike notes elevation of privilege, remote code execution and information disclosure are the leading exploitation techniques this month. Administrators should prioritize the zero‑day and Critical fixes (notably GDI+ and Nuance PowerScribe) and adopt mitigations where patching is delayed.

⚠️ Microsoft’s November Patch Tuesday addresses 63 vulnerabilities, including an actively exploited Windows kernel zero-day CVE-2025-62215 that can allow local attackers to escalate to SYSTEM via a complex race-condition double-free. Administrators should prioritize this fix across servers, domain controllers, and desktops, including Windows 10 systems enrolled in the ESU program. Other notable fixes include a Copilot Chat extension RCE (CVE-2025-62222) and a critical Microsoft Graphics Component overflow that could be triggered by specially crafted document uploads.

🔔 Microsoft released KB5068781, the first Extended Security Update (ESU) for Windows 10 following the platform's end of support. The update fixes a bug that incorrectly reported LTSC devices as out of support and bundles October Patch Tuesday fixes. It addresses 63 vulnerabilities — including one actively exploited elevation-of-privilege flaw — and is mandatory for enrolled devices, installing via Settings → Windows Update and updating ESU and LTSC builds to 19045.6575/19044.6575.