Vulnerability · Published Sep 12, 2026 · Assigned by Microchip
CVE-2026-89172Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
Medium 5.6
In plain English
A medium-severity security flaw in AN1044 from Microchip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 4.0)5.6Medium
Exploit odds (30 days)0.2%top 90.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052. This issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.
Affected products (as reported)
Weakness: CWE-1300 · 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
References
- 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 vendor-advisory
- https://www.microchip.com/en-us/application-notes/an1044 related
- https://www.microchip.com/en-us/application-notes/an953 related
- https://www.microchip.com/en-us/development-tool/sw300052 related