CVE-2026-1998

3.3 LOW
Published: February 06, 2026 Modified: February 17, 2026
View on NVD

Description

A flaw has been found in micropython up to 1.27.0. This vulnerability affects the function mp_import_all of the file py/runtime.c. This manipulation causes memory corruption. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 570744d06c5ba9dba59b4c3f432ca4f0abd396b6. It is suggested to install a patch to address this issue.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/micropython/micropython/
Source: cna@vuldb.com
Product
https://github.com/micropython/micropython/issues/18639
Source: cna@vuldb.com
Exploit Issue Tracking
https://github.com/micropython/micropython/pull/18671
Source: cna@vuldb.com
Exploit Issue Tracking
https://vuldb.com/?ctiid.344546
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.344546
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.743396
Source: cna@vuldb.com
Exploit Third Party Advisory VDB Entry

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.3 / 10.0
EPSS (Exploit Probability)
0.0%
7th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

micropython