CVE-2026-119977
WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability
WordPress Core
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 3 November 2026. US federal agencies were required to remediate it by 6 November 2026.
Frequently asked questions
Is CVE-2026-119977 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-119977.
What does CVE-2026-119977 affect?
CVE-2026-119977 affects WordPress Core.
How severe is CVE-2026-119977?
It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 6 November 2026.
How should organisations respond to CVE-2026-119977?
Apply the vendor patch for WordPress Core as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.