Medium 5.6Published Sep 12, 2026

CVE-2026-89172Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms

Updated under an hour ago (Oct 27, 2026, 6:10 AM ET)

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It affects Microchip AN1044 and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microchip AN1044

Exploited in the last 30 days

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.

CVSS: 5.6 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-1300
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Microchip
NVD analysis: Awaiting Analysis
Record last updated: Sep 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microchip AN1044 microchip:an1044 (from the name)	through A	CNA record
Microchip AN953 microchip:an953 (from the name)	through A	CNA record
Microchip SW300052 microchip:sw300052 (from the name)	through 2.6	CNA record

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.