CVE-2026-89172
Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
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.
INFO
Published Date :
Sept. 12, 2026, 10:16 a.m.
Last Modified :
Sept. 12, 2026, 10:16 a.m.
Remotely Exploit :
No
Source :
dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
Affected Products
The following products are affected by CVE-2026-89172
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | dc3f6da9-85b5-4a73-84a2-2ec90b40fca5 | ||||
| CVSS 4.0 | MEDIUM | dc3f6da9-85b5-4a73-84a2-2ec90b40fca5 |
Solution
- Update AN1044 to a version later than A.
- Update AN953 to a version later than A.
- Update SW300052 to a version later than 2.6.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-89172.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-89172 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-89172
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-89172 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-89172 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
Sep. 12, 2026
Action Type Old Value New Value 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. Added CVSS V4.0 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 Added CWE CWE-1300 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/89xxx/CVE-2026-89172.json">CVE-2026-89172</a> Added Reference https://www.microchip.com/en-us/application-notes/an1044 Added Reference https://www.microchip.com/en-us/application-notes/an953 Added Reference https://www.microchip.com/en-us/development-tool/sw300052 Added Reference 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