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AEROSPACE NEWS

Microsoft Defender 0-Days Actively Exploited in Wild

Key Takeaways
  • Two Microsoft Defender vulnerabilities are being actively exploited.
  • CVE-2026-41091 and CVE-2026-45498 affect all supported Windows versions.
  • Vulnerabilities enable local attackers to elevate privileges to SYSTEM.
  • US Cybersecurity Agency adds vulnerabilities to Known Exploited Vulnerabilities Catalog.
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Strategic Implications

These vulnerabilities may indicate a significant threat to Windows environments, as they could allow attackers to disable or tamper with security tools, suggesting a need for immediate remediation to prevent further exploitation.

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What Happened

Critical Vulnerabilities Enable Local Attackers to Elevate Privileges

Two newly disclosed Microsoft Defender vulnerabilities, tracked as CVE-2026-41091 and CVE-2026-45498, are being actively exploited in the wild, enabling local attackers to elevate privileges to SYSTEM and potentially disrupt endpoint protection across Windows environments, according to CyberSecurityNews.

Source

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JUMPSEAT
AEROSPACE NEWS
JUMPSEAT
AEROSPACE NEWS

Microsoft Defender 0-Days Actively Exploited in Wild

Sponsored by: Jumpseat Solutions
Key Takeaways
  • Two Microsoft Defender vulnerabilities are being actively exploited.
  • CVE-2026-41091 and CVE-2026-45498 affect all supported Windows versions.
  • Vulnerabilities enable local attackers to elevate privileges to SYSTEM.
  • US Cybersecurity Agency adds vulnerabilities to Known Exploited Vulnerabilities Catalog.
Sign in to view key takeaways Get full access to in-depth analysis and key takeaways.
Sign In
Silver membership required Upgrade to Silver to access Key Takeaways.
Upgrade
Strategic Implications

These vulnerabilities may indicate a significant threat to Windows environments, as they could allow attackers to disable or tamper with security tools, suggesting a need for immediate remediation to prevent further exploitation.

Sign in to view strategic implications Get full access to strategic analysis and expert insights.
Sign In
Silver membership required Upgrade to Silver to access Strategic Implications.
Upgrade

What Happened

Critical Vulnerabilities Enable Local Attackers to Elevate Privileges

Two newly disclosed Microsoft Defender vulnerabilities, tracked as CVE-2026-41091 and CVE-2026-45498, are being actively exploited in the wild, enabling local attackers to elevate privileges to SYSTEM and potentially disrupt endpoint protection across Windows environments, according to CyberSecurityNews.

Source

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