CVE-2026-89172

Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms

Published Sep 12, 2026 CVSS 4.0 · 5.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

None. Side-channel prevention is outside of intended use of product.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microchip
Microchip an1044
Microchip an953
Microchip sw300052
Vendors & Products Microchip
Microchip an1044
Microchip an953
Microchip sw300052
Type Values Removed Values Added
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.
Title Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
Weaknesses CWE-1300
References
Metrics cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Microchip
Published
Updated
Sep 14, 2026, 1:00 PM
Reserved
Sep 11, 2026, 5:25 AM
Status
Awaiting Analysis
Published
Sep 12, 2026, 10:16 AM
Modified
Sep 16, 2026, 7:30 PM