PT-2026-5640 · Thread · Thread

Published 2026-02-02 · Updated 2026-02-02 · CVE-2026-20418

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Thread (affected versions not specified)

Description An out-of-bounds write issue exists in Thread due to a missing bounds check. This could allow for remote escalation of privilege without requiring additional execution privileges or user interaction.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-20418

Affected Products

Thread

References · 7

• https://osv.dev/vulnerability/CVE-2026-20418 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20418 · Security Note
• https://twitter.com/VulmonFeeds/status/2018305092370239830 · Twitter Post
• https://twitter.com/CVEnew/status/2018249229479915637 · Twitter Post
• https://twitter.com/TheHackerWire/status/2018328021758050650 · Twitter Post
• https://corp.mediatek.com/product-security-bulletin/February-2026 · Note
• https://t.me/CVEtracker/43478 · Telegram Post