{"id":"CVE-2026-89172","title":"Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\n\nThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.","summary":"Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\n\nThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.","severity":"medium","cvss":5.6,"cvssVector":"CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","cwe":["CWE-1300"],"vendor":"Microchip","product":"AN1044","affected":["AN1044 <= A","AN953 <= A","SW300052 <= 2.6"],"published":"2026-09-12","updated":"2026-09-16","sourceUpdated":"2026-09-16T19:30:49.967","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89172","references":[{"url":"https://www.microchip.com/en-us/application-notes/an1044","label":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"},{"url":"https://www.microchip.com/en-us/application-notes/an953","label":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"},{"url":"https://www.microchip.com/en-us/development-tool/sw300052","label":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"},{"url":"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/side-channel-attack-an1044-an953-sw300052-cryptographic-algorithms","label":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"}],"tags":["nvd","cve.org"],"epss":0.00151,"epssPercentile":0.04604,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T12:55:05.158056Z"},"cvssSource":"cna","ingestedAt":"2026-09-14T15:23:07.429Z","slug":"CVE-2026-89172","body":"## Overview\n\nImproper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\n\nThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}