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CVE-2026-89172
Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
Medium5.6EPSS 0.20%
- Published
- Updated
- Reserved
- Assigned by
- Microchip
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| MicrochipCNA (assigner) | 4.0 | Medium5.6 | 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 |
| NVDNVD · Awaiting Analysis | 4.0 | Medium5.6 | 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 |
- EPSS (exploitation in 30 days)
- 0.20% · top 90% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.6.
Weakness
Affected products
What to do
Solution: None. Side-channel prevention is outside of intended use of product.
References (4)
- 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 (opens in a new tab)vendor-advisory
- https://www.microchip.com/en-us/application-notes/an1044 (opens in a new tab)related
- https://www.microchip.com/en-us/application-notes/an953 (opens in a new tab)related
- https://www.microchip.com/en-us/development-tool/sw300052 (opens in a new tab)related
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-89172)Record last updated .