CVE-2026-89172
Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms
No known exploitation. EPSS puts it in the 9th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 9th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 4 days, from the signal feeds we watch.
- Patch availablerecord updated
- Patch availablerecord updated
- Patch availablepublished, weakness classified, record updated
Affected products
Technical detail
Weaknesses
Sources
References in the record
- microchip.com/en-us/application-notes/an1044
- microchip.com/en-us/application-notes/an953
- microchip.com/en-us/development-tool/sw300052
And 1 more reference. See all after sign-in
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