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CVE-2026-41607: Apache Thrift: C++ JSON OOB read

mediumCVSS 6.5CVE-2026-41607

CSIRTS triage

vendor: Apacheproduct: ThriftInformation disclosure
What
The C++ JSON implementation has an out-of-bounds read vulnerability allowing information disclosure.
Who is affected
Systems using Apache Thrift C++ with JSON protocol support.
Urgency
Medium; not currently exploited but OOB reads can leak sensitive memory.
Action
Upgrade to patched Apache Thrift version or disable JSON protocol until patch is available.

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
medium — CVSS 6.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41607

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-2026-41607coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Apache Thrift

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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