CVE-2026-41091

Description

Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• https://nvd.nist.gov/vuln/detail/CVE-2026-41091
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-41091
• https://packetstorm.news/files/id/225425/
• https://packetstorm.news/download/225425
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-31101
• https://packetstorm.news/files/id/225795/
• https://packetstorm.news/download/225795