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CISA Orders Immediate Patch of Critical Sitecore Vulnerability Under Active Exploitation

Federal Civilian Executive Branch (FCEB) agencies are being advised to update their Sitecore instances by September 25, 2025, following the discovery of a security flaw that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2025-53690, carries a CVSS score of 9.0 out of a maximum of 10.0, indicating critical severity. "Sitecore Experience Manager (XM), Experience

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#vulnerability#mac#google#microsoft#intel#rce#auth#zero_day#asp.net#The Hacker News
CVE-2025-9867: Chromium: CVE-2025-9867 Inappropriate implementation in Downloads

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2025-9866: Chromium: CVE-2025-9866 Inappropriate implementation in Extensions

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2025-9865: Chromium: CVE-2025-9865 Inappropriate implementation in Toolbar

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2025-9864: Chromium: CVE-2025-9864 Use after free in V8

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2025-53791: Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

\*\*According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? \*\* Successful exploitation of this vulnerability requires an attacker to enable Edge Split Screen mode, have a specific configuration, and run multiple pages.

Russian APT28 Deploys “NotDoor” Backdoor Through Microsoft Outlook

APT28 hackers deploy NotDoor backdoor via Microsoft Outlook macros, using OneDrive sideloading to steal data and evade detection.

Model Namespace Reuse Flaw Hijacks AI Models on Google and Microsoft Platforms

A new security vulnerability called ‘Model Namespace Reuse’ allows attackers to hijack AI models on Google, Microsoft, and…

Russian APT28 Deploys “NotDoor” Outlook Backdoor Against Companies in NATO Countries

The Russian state-sponsored hacking group tracked as APT28 has been attributed to a new Microsoft Outlook backdoor called NotDoor in attacks targeting multiple companies from different sectors in NATO member countries. NotDoor "is a VBA macro for Outlook designed to monitor incoming emails for a specific trigger word," S2 Grupo's LAB52 threat intelligence team said. "When such an email is

From summer camp to grind season

Bill takes thoughtful look at the transition from summer camp to grind season, explores the importance of mental health and reflects on AI psychiatry.