Microsoft security briefs
3328 published alerts for Microsoft products and services.
Insufficient validation of untrusted input in Metrics in Microsoft Edge vulnerability
Insufficient validation of untrusted input in Metrics in Microsoft Edge vulnerability (CVE-2026-12465) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Browser in Microsoft Edge vulnerability
Use after free in Browser in Microsoft Edge vulnerability (CVE-2026-12464) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Inappropriate implementation in Views in Microsoft Edge vulnerability
Inappropriate implementation in Views in Microsoft Edge vulnerability (CVE-2026-12463) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Media in Microsoft Edge vulnerability
Use after free in Media in Microsoft Edge vulnerability (CVE-2026-12462) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Out of bounds read in WebRTC in Microsoft Edge vulnerability
Out of bounds read in WebRTC in Microsoft Edge vulnerability (CVE-2026-12461) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Insufficient policy enforcement in File System Access in Microsoft Edge vulnerability
Insufficient policy enforcement in File System Access in Microsoft Edge vulnerability (CVE-2026-12460) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Inappropriate implementation in Serial in Microsoft Edge vulnerability
Inappropriate implementation in Serial in Microsoft Edge vulnerability (CVE-2026-12459) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Incorrect security UI in Passwords in Microsoft Edge vulnerability
Incorrect security UI in Passwords in Microsoft Edge vulnerability (CVE-2026-12458) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Insufficient data validation in Extensions in Microsoft Edge vulnerability
Insufficient data validation in Extensions in Microsoft Edge vulnerability (CVE-2026-12457) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Insufficient validation of untrusted input in Extensions in Microsoft Edge vulnerability
Insufficient validation of untrusted input in Extensions in Microsoft Edge vulnerability (CVE-2026-12456) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Tab Strip in Microsoft Edge vulnerability
Use after free in Tab Strip in Microsoft Edge vulnerability (CVE-2026-12455) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Race in Safe Browsing in Microsoft Edge vulnerability
Race in Safe Browsing in Microsoft Edge vulnerability (CVE-2026-12454) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Insufficient validation of untrusted input in Input in Microsoft Edge vulnerability
Insufficient validation of untrusted input in Input in Microsoft Edge vulnerability (CVE-2026-12453) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Downloads in Microsoft Edge vulnerability
Use after free in Downloads in Microsoft Edge vulnerability (CVE-2026-12452) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in DigitalCredentials in Microsoft Edge vulnerability
Use after free in DigitalCredentials in Microsoft Edge vulnerability (CVE-2026-12451) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Chromoting in Microsoft Edge vulnerability
Use after free in Chromoting in Microsoft Edge vulnerability (CVE-2026-12449) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Heap buffer overflow in WebRTC in Microsoft Edge vulnerability
Heap buffer overflow in WebRTC in Microsoft Edge vulnerability (CVE-2026-12447) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Insufficient data validation in Passwords in Microsoft Edge vulnerability
Insufficient data validation in Passwords in Microsoft Edge vulnerability (CVE-2026-12446) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Extensions in Microsoft Edge vulnerability
Use after free in Extensions in Microsoft Edge vulnerability (CVE-2026-12445) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Out of bounds read in Chromoting in Microsoft Edge vulnerability
Out of bounds read in Chromoting in Microsoft Edge vulnerability (CVE-2026-12444) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Web Authentication in Microsoft Edge vulnerability
Use after free in Web Authentication in Microsoft Edge vulnerability (CVE-2026-12443) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in File Input in Microsoft Edge vulnerability
Use after free in File Input in Microsoft Edge vulnerability (CVE-2026-12441) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in DigitalCredentials in Microsoft Edge vulnerability
Use after free in DigitalCredentials in Microsoft Edge vulnerability (CVE-2026-12440) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Digital Credentials in Microsoft Edge vulnerability
Use after free in Digital Credentials in Microsoft Edge vulnerability (CVE-2026-12439) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.