CVE-2026-119977: WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability
In CISA KEV since 2026-11-03.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
CVE-2026-119977 key facts
- CISA KEV
- Listed on · federal remediation due
- Highest advisory severity
- High
- CVSS base score
- 8.1 (Red Hat)
- Weakness
- CWE-552
- Vendor advisories
- 1 from Red Hat
- VulniPulse record
- Published · Updated
Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-119977; bulletin-wide values are not repeated here.
Is CVE-2026-119977 exploited?
Yes. CISA lists CVE-2026-119977 in its Known Exploited Vulnerabilities catalog (added ), which means CISA has evidence of exploitation in the wild.
How do I fix CVE-2026-119977?
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
The tracked advisories that cover only this CVE do not list a fixed release yet. That does not mean no fix exists; check each vendor source below.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.1
High [CVE-2026-119977] Arbitrary code execution via predictable upgrade staging paths
CVE-2026-119977Source published Source updated
Arbitrary code execution via predictable upgrade staging paths. Red Hat rates this important (CVSS 8.1). Weakness: CWE-552.
- Related products — impact not confirmed
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- 7.1.3
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
More Red Hat advisories
- CVE-2026-111497Oct 22, 2026Out-of-Bounds Write in Google Brotli Decoder
- CVE-2026-109619Oct 21, 2026fatal error handling retains stale request state leading to use-after-free
- CVE-2026-109618Oct 21, 2026OOM bailout during request parsing leads to memory corruption and RCE
- CVE-2026-97229Oct 13, 2026integer overflow issue in CI/CD regular expression compiler
- CVE-2026-64849Aug 17, 2026Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed
- CVE-2026-53362Jul 4, 2026account for fraggap on the paged allocation path
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