CVE-2026-14668: PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read
CSIRTS triage
- What
- Type confusion in the selectivity estimator discloses information derived from arbitrary memory reads via ctid type confusion.
- Who is affected
- PostgreSQL instances where attackers can craft queries with ctid operations are affected.
- Urgency
- High severity with CVSS 8.1 for information disclosure; can leak sensitive data.
- Action
- Update PostgreSQL to a patched version promptly.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-14668
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-146680.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-14668 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[NEW] [high] PostgreSQL: Multiple vulnerabilitiescert-bund
- unknownUSN-8653-1: PostgreSQL vulnerabilitiesubuntu
- unknownMultiple vulnerabilities in PostgreSQL (August 14, 2026)cert-fr-avis
- highCVE-2026-14668: Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an ob…nvd
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