exploitation Archives

Tech Optimizer

August 23, 2026

Antivirus software tips from Ely Computer Centre director

Antivirus software does not guarantee complete safety for computers, especially if the software is no longer supported. As software ages, it becomes vulnerable to security risks, and once support ends, new vulnerabilities are not addressed. Microsoft ended support for Windows 10 in October 2025, meaning users will not receive security updates, increasing the risk of exploitation. Users can identify Windows 10 by checking if the Start button has four black squares. Upgrading to Windows 11 may not be possible for older computers due to hardware limitations, and replacing outdated devices is often recommended. Seeking professional advice is advisable if there is uncertainty about the operating system or upgrade options.

Winsage

August 22, 2026

Researchers find way to weaponize Windows Defender’s own driver

Check Point Research revealed a technique that uses the boot-time remediation driver BTR.sys, part of Windows Defender, to execute kernel-level operations on Windows systems from Windows 7 to Windows 11 25H2. This method does not exploit software vulnerabilities but leverages BTR.sys, which is designed to remove locked malware components. Researchers reverse-engineered its undocumented protocol, leading to the creation of a proof-of-concept tool, BTR_CLI, that can install the driver as a service without standard management protocols. Once operational, BTR.sys can delete or move files, modify registry entries, and remove security binaries, including parts of Defender, during a specific period when the file system is writable. To exploit this technique, an attacker needs administrator privileges, specifically SeLoadDriverPrivilege. Although Microsoft does not consider this a critical issue due to the requirement of pre-existing administrative access, it highlights a significant potential vulnerability. There have been no documented real-world attacks using this technique.

AppWizard

August 21, 2026

Beyond These Stars Arrives Oct 15 on PC Game Pass With Full 1.0 Launch

Hooded Horse and Balancing Monkey Games will release Beyond These Stars on October 15, 2026. The game is a city-building and colony management title set on the back of a sentient Space Whale named Kewa. It will be available on Steam, GOG, Epic Games Store, and the Microsoft Store, with day-one access for PC Game Pass subscribers. Beyond These Stars serves as a sequel to Before We Leave and features players guiding a civilization called the Peeps while managing resources and Kewa's well-being. The game emphasizes ecological mutualism, where Kewa's happiness affects gameplay. Players will navigate a complex production system and can explore a procedurally generated Galaxy Map with various star systems. The game has received positive feedback from critics and will launch as a complete 1.0 title, bypassing Early Access. The minimum system requirements include a Windows 10 (64-bit) PC with an Intel Core i3-6300 or AMD FX-9370, 8 GB RAM, and an NVIDIA GTX 750 or AMD Radeon R9 380. A free demo is currently available on Steam.

Winsage

August 20, 2026

ShieldBreak: The Windows Defender Zero-Day With No Patch — Detect It, Mitigate It, With Qualys

ShieldBreak, identified as CVE-2026-69414, is a zero-day vulnerability in the Microsoft Malware Protection Engine that allows low-privileged local attackers to escalate privileges to SYSTEM. The public proof of concept was released on August 12, 2026, and Microsoft recognized the CVE on August 14, 2026. No patch is currently available. ShieldBreak exploits an elevation-of-privilege vulnerability by manipulating file processing during the cloud-file hydration process in Microsoft Defender, allowing attackers to control processes with elevated privileges. The exploit is functional on Windows 11 25H2 and Windows Server 2025. Qualys VMDR can detect this vulnerability using a specific query, and organizations can use Qualys TruRisk™ Eliminate for mitigation until a patch is released.

Winsage

August 18, 2026

CISA confirms 2025 Windows Task Host flaw exploited by ransomware groups

The Cybersecurity and Infrastructure Security Agency (CISA) confirmed a privilege escalation vulnerability in the Windows Task Host, designated as CVE-2025-60710, which is being exploited by ransomware groups. Microsoft released a patch for this flaw on November 11, 2025, and CISA added it to its Known Exploited Vulnerabilities catalog on April 13. The vulnerability allows scheduled tasks to operate at the highest privilege level, enabling attackers to delete files and potentially gain full control over a machine. This access can lead to the extraction of credentials, manipulation of endpoint protection, and lateral movement across networks, culminating in widespread ransomware deployment. Security experts emphasize the critical nature of this vulnerability and urge organizations to address it promptly, as it poses significant risks to systems running Windows 11 and Server 2025.

Winsage

August 18, 2026

CISA: Windows Task Host flaw now exploited by ransomware gangs

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) confirmed that ransomware gangs are exploiting a significant vulnerability in the Windows Task Host system, tracked as CVE-2025-60710. This high-severity flaw, affecting Windows 11 and Windows Server 2025, allows local attackers with basic user permissions to escalate their privileges to SYSTEM level. Microsoft patched this vulnerability in November 2025, but it poses a threat to unpatched devices. CISA added CVE-2025-60710 to its list of actively exploited vulnerabilities on April 13 and provided Federal Civilian Executive Branch agencies with a two-week window to secure their systems. CISA warns that such vulnerabilities are frequent attack vectors for malicious actors and urges organizations to apply mitigations or discontinue the use of affected products. Additionally, CISA noted that ransomware groups are also exploiting a Microsoft SharePoint remote code execution vulnerability (CVE-2026-45659), confirmed to be actively exploited in early July. Since November 2021, CISA has identified 383 actively exploited vulnerabilities across various Microsoft products, with 112 being used in ransomware attacks.

Winsage

August 17, 2026

⚡ Weekly Recap: VMware Exploits, Windows 0-Day, MCP Attacks, Browser Hijacks and More

A suspected advanced persistent threat (APT) group linked to China exploited a newly patched vulnerability in VMware vCenter (CVE-2026-59310), which has a critical CVSS score of 9.8, allowing for arbitrary code execution and the deployment of Babuk-derived ransomware. A recently patched vulnerability in Apple macOS (CVE-2026-65400) has been exploited to deploy a cryptocurrency miner, granting unauthorized root access. The Lazarus Group from North Korea exploited a zero-day vulnerability in Microsoft Windows, targeting defense and aerospace sectors. GeoServer patched a critical SQL injection vulnerability that was actively exploited. A new macOS malware, Amnesia Stealer, targets users through ClickFix attacks, stealing data and allowing real-time access to authenticated sessions. A novel attack technique named GhostSplice can manipulate AI coding assistants. Research revealed a method exploiting Chromium's DevTools Protocol for data theft. Noteworthy CVEs this week include CVE-2026-68820, CVE-2026-58231, and multiple others across various platforms. A high-severity command injection flaw in FileRun allows remote code execution. An advanced ClickFix attack has been reported, deploying sophisticated malware. A heap overflow vulnerability in Citrix NetScaler was patched after indications of exploitation. A new malware loader targeting Portuguese-speaking users has been identified. A significant reduction in exposed Automatic Tank Gauge systems has been observed. A phishing campaign targeting Brazil has been detected, and an F.B.I. agent faces charges for unauthorized crypto withdrawals. Authorities in Ukraine dismantled fraudulent call centers, and a North Carolina man was sentenced for cyber extortion. Unauthorized access to sensitive data by the ExfilSquad group has been confirmed. LightSpy activity linked to China has been detected in over 13 countries. A supply chain attack exposed over 2,500 companies, and an Azure exfiltration campaign has exposed millions of enterprise records.

Tech Optimizer

August 17, 2026

Your Outdated Antivirus Might Be The Weakest Link

Antivirus software is essential for protecting devices from cyber threats, but simply installing it is not enough. Outdated antivirus software can lead to diminished protection, as it may not recognize new forms of malware, leaving devices vulnerable. The functionality of antivirus programs can also decline over time, limiting their effectiveness. Using outdated software increases the risk of data breaches, as cybercriminals often target these systems. Additionally, technical support for older versions may become unavailable, further exposing users to threats. Keeping antivirus software updated is crucial for maintaining security and accessing the full range of features.

Winsage

August 16, 2026

LeakWatch CW 33/2026: Windows Zero-Day, AMD, Intel and Malware

- The August Patch Tuesday release included 421 vulnerabilities, with 236 affecting Windows, highlighting CVE-2026-68820, a critical use-after-free vulnerability that allows privilege escalation to SYSTEM level without user interaction. - CISA added CVE-2026-68820 to its Known Exploited Vulnerabilities Catalog, confirming its active exploitation. - AMD's Ryzen Master software has vulnerabilities, including CVE-2025-54512 (DLL hijacking) and CVE-2026-0465 (use-after-free), which could allow code execution with elevated privileges. - AMD's advisory on CVE-2026-6726 and CVE-2026-6727 indicates vulnerabilities in the TPM 2.0 reference code affecting Ryzen platforms, leading to potential information disclosure. - Intel's advisories included updates for microcode, Wi-Fi software, and NPU drivers, with CVE-2026-20760 addressing privilege escalation risks. - Google’s Chrome update on August 11 fixed five high-severity vulnerabilities, including use-after-free flaws. - Gunra malware has evolved into a ransomware-as-a-service model using a double-extortion strategy. - WindRelay malware combines SpyNote RAT with an NFC relay component, allowing attackers to relay NFC communication between a victim's bank card and a remote device. - The findings emphasize the need to view vulnerabilities as part of potential attack chains, highlighting the complexity of modern cybersecurity threats.

Winsage

August 14, 2026

Microsoft warns users to install Windows 11’s latest update within 3 days, 400+ security bugs fixed

Windows 11's August 2026 Patch Tuesday update has been released, addressing 421 security vulnerabilities, including 400 specific to the Patch Tuesday release. The update rectifies at least 37 remote code execution bugs and five elevation-of-privilege vulnerabilities. Microsoft advises users to implement the update within three days for security. The update includes fixes for other Microsoft products like Entra, Office, and Teams. Users should verify their Windows 11 build number, with recommended versions being 26200.9168 for 25H2 and 26100.9168 for 24H2. The update is identified as KB5121003 and may require up to two reboots to apply fully. Key areas of focus in the update include the kernel, Remote Desktop, DNS, DHCP, SMB, and Windows Defender Firewall. Microsoft emphasizes the importance of timely updates and recommends limiting the deferral period for quality updates to less than three days.