CVE-2026-1991

Name: CVE-2026-1991
Creator: NVD / NIST
Published: 2026-02-06T06:15:50.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2026-1991 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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

EPSS Probability

0.18%

7.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libuvc	Libuvc	<= 0.0.7

References

https://github.com/libuvc/libuvc/Product
https://github.com/libuvc/libuvc/issues/300Exploit, Vendor Advisory
https://github.com/oneafter/0104/blob/main/reproProduct
https://vuldb.com/?ctiid.344509Permissions Required, VDB Entry
https://vuldb.com/?id.344509Third Party Advisory, VDB Entry
https://vuldb.com/?submit.743388Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Feb 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1991?

How severe is CVE-2026-1991?

CVE-2026-1991 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1991?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1991?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST