CWE-1303Base

Non-Transparent Sharing of Microarchitectural Resources

Draft in the CWE catalog · 5 CVEs mapped

5
CVEs mapped
5.6
Median CVSS
What it is

Hardware structures shared across execution contexts (e.g., caches and branch predictors) can violate the expected architecture isolation between contexts.

Recent examples
5.6cvss
CVE-2026-59131

CVE-2026-59131 - MEDIUM Severity Vulnerability

No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.

MEDIUMno explanation yet
0%
epss
5.6cvss
CVE-2026-59130

CVE-2026-59130 - MEDIUM Severity Vulnerability

No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.

MEDIUMno explanation yet
0%
epss
5.5cvss
CVE-2023-38575

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information…

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

MEDIUMno explanation yet
0%
epss
The record
Technical detail
CWE ID
CWE-1303
Abstraction
Base
Structure
Simple
Status
Draft
References (4)