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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**

Microsoft Security Response Center
#vulnerability#microsoft#chrome#Microsoft Edge (Chromium-based)#Security Vulnerability
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.

GHSA-hfrj-3w3g-jv32: TkEasyGUI Vulnerable to OS Command Injection

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in TkEasyGUI versions prior to v1.0.22. If this vulnerability is exploited, an arbitrary OS command may be executed by a remote unauthenticated attacker if the settings are configured to construct messages from external sources.

GHSA-ph2w-cx28-vhrq: TkEasyGUI Affected by Uncontrolled Search Path Element Issue

Uncontrolled search path element issue exists in TkEasyGUI versions prior to v1.0.22. If this vulnerability is exploited, arbitrary code may be executed with the privilege of running the program.

VirusTotal Finds 44 Undetected SVG Files Used to Deploy Base64-Encoded Phishing Pages

Cybersecurity researchers have flagged a new malware campaign that has leveraged Scalable Vector Graphics (SVG) files as part of phishing attacks impersonating the Colombian judicial system. The SVG files, according to VirusTotal, are distributed via email and designed to execute an embedded JavaScript payload, which then decodes and injects a Base64-encoded HTML phishing page masquerading as a

Sitecore Zero-Day Sparks New Round of ViewState Threats

The vulnerability marks the latest example of threat actors weaponizing exposed ASP.NET machine keys for remote injection and deserialization attacks.

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.

Bridgestone Americas Confirms Cyberattack

Reports of disruptions at North American plants emerged earlier this week, though the nature of the attack on the tire manufacturer remains unclear.

Chinese Hackers Game Google to Boost Gambling Sites

New threat actor "GhostRedirector" is using a malicious IIS module to inject links that try to artificially boost search engine ranking for target sites.