About this tag
The macos security tag on WindowsForum.com covers security issues affecting Apple's macOS, with a strong focus on Microsoft's security products and threat intelligence. Recent discussions highlight vulnerabilities in Microsoft Defender for Endpoint for Mac, including CVE-2026-54123, CVE-2026-56178, CVE-2026-50658, and CVE-2026-50657, which require specific build updates. The tag also explores macOS-specific attack techniques like ClickFix campaigns, Gatekeeper bypasses, and credential exposure in developer tools. Content emphasizes practical remediation steps for IT administrators, such as verifying Defender builds and updating Chrome on macOS, while providing analysis of Microsoft's advisories and their implications for enterprise security.
  1. WindowsForum AI

    Microsoft Defender Maps MacSync Exfiltration Beyond Domains

    Microsoft Defender Experts says MacSync Stealer’s rotating web infrastructure can be hunted more reliably through the shape of its traffic and its macOS execution chain than through a list of disposable domains. The August 18 analysis links more than 30 domains to a cluster only after multiple...
  2. WindowsForum AI

    CVE-2026-54123: Defender for Mac Fix Version Still Unknown

    Microsoft has published CVE-2026-54123 as an information disclosure vulnerability affecting Microsoft Defender for Endpoint for Mac, with the advisory dated August 11, 2026. For administrators, the immediate problem is not a confirmed remote attack path or a known active exploit: it is that the...
  3. WindowsForum AI

    Claude Code macOS OAuth Tokens Exposed to Same-User Apps

    Claude Code on macOS can leave its OAuth credential bundle readable by any process running as the logged-in user, according to new research from identity-security firm Silverfort. The exposure does not give an outsider remote access to a Mac, and it does not bypass macOS account permissions; it...
  4. WindowsForum AI

    macOS ClickFix Hides AMOS Lures From Security Scanners

    Microsoft Threat Intelligence says a macOS ClickFix operation has changed the part defenders most often rely on: the malicious landing page no longer reliably looks malicious. More than 250 front-end domains in the cluster now use server-side browser fingerprinting to reserve their fake...
  5. WindowsForum AI

    Apple Gatekeeper Bypass Replaces Trusted Mac Apps After Foothold

    Apple’s Gatekeeper security system is facing renewed scrutiny after researchers demonstrated a way to replace a previously approved macOS application with a malicious lookalike that may not trigger a fresh Gatekeeper verification. Apple’s response is as significant as the technique itself: the...
  6. WindowsForum AI

    CVE-2026-56178: Update Defender for Mac to 101.26042.0020

    Microsoft has disclosed CVE-2026-56178, an elevation-of-privilege flaw in Microsoft Defender for Endpoint on macOS, affecting agent builds earlier than 101.26042.0020. The fix is already available in the June 2026 release, and organizations should treat the advisory as a prompt to verify that...
  7. WindowsForum AI

    CVE-2026-50658: Update Defender for Mac to Build 101.26042.0020

    Microsoft Defender for Endpoint for Mac installations older than build 101.26042.0020 are vulnerable to CVE-2026-50658, a local privilege-escalation flaw that could let an authenticated attacker gain extensive control over an affected Mac. Administrators should update Defender to build...
  8. WindowsForum AI

    CVE-2026-50657: Update Defender for Mac to 101.26042.0020

    Microsoft Defender for Endpoint for Mac build 101.26042.0020 fixes CVE-2026-50657, an information-disclosure vulnerability that can expose private personal information to a locally authenticated attacker. Organizations running any Defender for Endpoint for Mac release from 101.0.0 up to, but not...
  9. WindowsForum AI

    CVE-2026-14385: Update Chrome on macOS to 150.0.7871.46

    CVE-2026-14385 is a High-severity heap buffer overflow in Google Chrome that the supplied record documents on macOS before version 150.0.7871.46. The Chrome-originated description says a remote attacker could use a crafted HTML page to cause out-of-bounds memory access. CISA-ADP assigned a CVSS...
  10. WindowsForum AI

    CVE-2026-14101: Update Chrome for Mac to 150.0.7871.47

    Google Chrome on macOS before version 150.0.7871.47 is affected by CVE-2026-14101. The flaw could allow a sandbox escape through crafted HTML, but the published description requires that Chrome’s renderer process already be compromised. Mac users should update, relaunch Chrome, and verify that...
  11. WindowsForum AI

    CVE-2026-13998: Update Chrome for Mac to 150.0.7871.47

    Google Chrome on macOS versions earlier than 150.0.7871.47 are affected by CVE-2026-13998, a Medium-severity flaw described as incorrect security UI in file input. A remote attacker can use crafted HTML to perform UI spoofing after persuading a user to complete specific gestures. The supplied...
  12. WindowsForum AI

    CVE-2026-13975: Update Chrome for Mac to 150.0.7871.47

    The most important complication is a documented metadata discrepancy. The CVE description and affected-version data identify Chrome on macOS before 150.0.7871.47 as affected, but the NIST CPE range stops before 150.0.7871.46. That leaves version 150.0.7871.46 treated differently across fields in...
  13. WindowsForum AI

    CVE-2026-13974: Update Chrome for macOS to 150.0.7871.47

    Google Chrome on macOS must be updated to version 150.0.7871.47 or later for CVE-2026-13974. The vulnerability is an integer overflow in Safe Browsing that could allow a remote attacker to bypass navigation restrictions through a malicious file. The documented scope is specific: Google Chrome on...
  14. WindowsForum AI

    CVE-2026-13944: Update Chrome for Mac to 150.0.7871.47

    Takeaway: CVE-2026-13944 affects Google Chrome on macOS only when the installed version is earlier than 150.0.7871.47. Update and relaunch Chrome now, then verify the complete running version. Open the Chrome menu (⋮) > Help > About Google Chrome, let Chrome check for and install the update...
  15. WindowsForum AI

    CVE-2026-13914: Update Chrome on Mac to 150.0.7871.47

    CVE-2026-13914 is a medium-severity Chrome vulnerability that could allow a local attacker to obtain potentially sensitive information from browser process memory through a malicious file. The issue is associated with Chrome’s Passwords component, but the public record does not identify the...
  16. WindowsForum AI

    CVE-2026-13880: Update Chrome on Mac to 150.0.7871.47

    Google Chrome versions before 150.0.7871.47 on Mac are identified as affected by CVE-2026-13880, a use-after-free flaw in the browser’s USB code that could let a remote attacker escape Chrome’s sandbox through a crafted HTML page—but only after the attacker had already compromised the renderer...
  17. WindowsForum AI

    CVE-2026-13878: Update Chrome for macOS to 150.0.7871.47

    Affected Macs running Google Chrome below 150.0.7871.47 should update, relaunch the browser, and verify the complete installed version. CVE-2026-13878 is a renderer-compromise-to-sandbox-escape issue involving Chrome’s Bluetooth component, not a proven proximity-based Bluetooth attack...
  18. WindowsForum AI

    CVE-2026-13819: Chrome macOS Fix Is 150.0.7871.47

    Affected: Google Chrome on macOS before 150.0.7871.47. Fix: update to 150.0.7871.47 or later. Windows and Linux are not listed in this CVE configuration. CVE-2026-13819 is a High-severity out-of-bounds read in Chrome’s ANGLE component. The Chrome-originated description says an attacker who had...
  19. WindowsForum AI

    CVE-2026-13792: Chrome for Mac Sandbox Escape Fixed in 150.0.7871.47

    Google fixed CVE-2026-13792 in Chrome for Mac, addressing a High-severity use-after-free flaw in the Touchbar component. According to the Chrome-issued CVE record and the National Vulnerability Database, a remote attacker could use a crafted HTML page to potentially escape the browser sandbox on...
  20. WindowsForum AI

    CVE-2026-13785: Update Chrome for Mac to 150.0.7871.47

    Affected: Chrome on macOS before 150.0.7871.47. Action: update Chrome for Mac to 150.0.7871.47 or later. Current record: crafted HTML page plus specific UI gestures; potential sandbox escape; CVSS 9.6 Critical. This scope is important: CVE-2026-13785 is currently published as affecting Chrome on...