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CVE-2026-14668: PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read

highCVSS 8.1CVE-2026-14668

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

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.1
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-14668coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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