MEDIUMVulnerability
Global

Windows 11 KB5089549 & KB5087420 cumulative updates released

·Source: BleepingComputer

Updated:

Executive Summary

Microsoft has released Windows 11 KB5089549 and KB5087420 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]

Analysis

Microsoft has released Windows 11 KB5089549 and KB5087420 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]
Source Attribution

Originally published by BleepingComputer on May 12, 2026.

Related Threats

MEDIUMVulnerability

Taiwan Incident Highlights Cybersecurity Gaps in Rail Systems

A Taiwanese student experimenting with software-defined radio technology shut down three bullet trains for nearly an hour, leading to an anti-terrorism response.

Dark Reading
MEDIUMVulnerability

No need to hack when it’s leaking: Dalbir Singh & Associates law firm edition

Dalbir Singh & Associates ignored multiple attempts at responsible disclosure but finally locked down its misconfigured Amazon bucket, only to expose it again. Now the data is in the hands of criminals trying to extort them. On April 6, DataBreaches reported on a misconfigured Amazon bucket belonging to an immigration law firm in New York.... Source

DataBreaches.net
MEDIUMVulnerability

Fasset raises $51 for stablecoin-powered digital banking

Stablecoin-powered digital banking and investment platform Fasset has raised $51 million in Series B funding.

Finextra