CVE-2026-89172
Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
CVE-2026-89172 is a medium vulnerability (CVSS 5.6) in Microchip An1044, published September 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.
- Severity
- 5.6 MediumCVSS 4.0, CVE List
- Exploit chance
- 0.20%EPSS, 10th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
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.
- Record
CVE-2026-89172- CVSS 4.0
- 5.6 Medium
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-1300
- Updated
- 2026-11-02
EUVDEUVD-2026-76846
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.
- Record
EUVD-2026-76846- CVSS 4.0
- 5.6 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pxq3-m9x7-5w4m
Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953,...
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.
- Record
GHSA-pxq3-m9x7-5w4m- CVSS 4.0
- 5.6 Medium
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 - Weakness
- CWE-1300
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-89172- CVSS 4.0
- 5.6 Medium
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 - Weakness
- CWE-1300
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/side-channel-attack-an1044-an953-sw300052-cryptographic-algorithms
nvd.nist.gov/vuln/detail/CVE-2026-89172
github.com/advisories/GHSA-pxq3-m9x7-5w4m