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Microsoft patches max severity code execution, privilege escalation flaws

August 21, 2026 · BleepingComputer · Severity: HIGH

Microsoft has patched a maximum-severity vulnerability in the Entra ID identity and access management (IAM) platform that has been exploited in attacks.

Key Takeaways

  • Microsoft has released patches for maximum severity vulnerabilities involving code execution and privilege escalation across multiple products.
  • The vulnerabilities affect critical Windows components and could allow complete system compromise if left unpatched.
  • Administrators should prioritize these updates as part of the regular Patch Tuesday cycle to mitigate the risk of exploitation.
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