{"id":"CVE-2026-89172","aliases":["EUVD-2026-76846","GHSA-pxq3-m9x7-5w4m"],"status":"published","title":"Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms","description":"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":{"version":"4.0","score":5.6,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.002,"percentile":0.10036,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1300"],"published":"2026-09-12T09:26:05Z","modified":"2026-09-16T19:30:49Z","products":[{"vendor":"microchip","product":"an1044"},{"vendor":"microchip","product":"an953"},{"vendor":"microchip","product":"sw300052"}],"references":[{"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","tags":["vendor-advisory"]},{"url":"https://www.microchip.com/en-us/application-notes/an1044","tags":["related"]},{"url":"https://www.microchip.com/en-us/application-notes/an953","tags":["related"]},{"url":"https://www.microchip.com/en-us/development-tool/sw300052","tags":["related"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89172"},{"url":"https://github.com/advisories/GHSA-pxq3-m9x7-5w4m"}],"sources":{"cve":[{"id":"CVE-2026-89172","title":"Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms","description":"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.","status":"published","published":"2026-09-12T09:26:05.932Z","modified":"2026-09-14T13:00:29.366Z","cvss":[{"version":"4.0","score":5.6,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T14:19:55.526923Z"}],"euvd":[{"id":"EUVD-2026-76846","description":"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.","status":"published","published":"2026-09-12T09:26:05Z","modified":"2026-09-14T13:00:29Z","cvss":[{"version":"4.0","score":5.6,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:28:20.757989Z"}],"ghsa":[{"id":"GHSA-pxq3-m9x7-5w4m","title":"Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953,...","description":"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.","status":"published","published":"2026-09-12T12:30:50Z","modified":"2026-09-12T12:30:51Z","cvss":[{"version":"4.0","score":5.6,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T15:11:45.662784Z"}],"nvd":[{"id":"CVE-2026-89172","description":"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.","status":"published","published":"2026-09-12T10:16:36.317Z","modified":"2026-09-16T19:30:49.967Z","cvss":[{"version":"4.0","score":5.6,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T14:12:46.62721Z"}]}}