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Vulnerability Watch, October 24, 2026: 1 critical CVEs and 19 new vendor and CERT advisories

Every critical-severity CVE NIST published in the past day, plus the latest advisories from national CERTs and vendors.

1 critical CVEs, 19 advisories, NIST NVD, CERTs & vendors

The National Vulnerability Database (NVD) published 1 CVEs rated Critical under CVSS v3 in the 26 hours to this report. Descriptions below are quoted directly from NVD. Scores are NVD or CNA base scores; always confirm against the vendor advisory before prioritizing.

Critical CVEs (NVD)

CVE CVSS Description (NVD)
CVE-2026-115806 9.8 The Prime Mover – Backup and Migration plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.2.1 via deserialization of untrusted input in the migration search-and-replace routine (recursiveUnserializeReplace()). An unauthenticated attacker can store a crafted, base64-encoded serialized object in wp_comments.comment_content through the standard comment-submission endpoint…

New advisories from CERTs and vendors

Debian

Cisco PSIRT

Canadian Centre for Cyber Security

Microsoft MSRC

CERT-FR

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