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Bidda Sovereign Intelligence · 10,065 Verified Nodes · 39 Sovereign Pillars

MITRE CAPEC-663: Exploitation of Transient Instruction Execution (Standard Attack Pattern - Very High Severity)

MITRE CAPEC-663 (Exploitation of Transient Instruction Execution) is a standard-level attack pattern in the MITRE Common Attack Pattern Enumeration and…

Compliance Node Overview

MITRE CAPEC-663 (Exploitation of Transient Instruction Execution) is a standard-level attack pattern in the MITRE Common Attack Pattern Enumeration and Classification. An adversary exploits a hardware design flaw in a CPU implementation of transient instruction execution to expose sensitive data and bypass/subvert access control over restricted resources. Typically, the adversary conducts a covert channel attack to target non-discarded microarchitectural changes caused by transient executions such as speculative execution, branch prediction, instruction pipelining, and/or. Likelihood of attack: Low. Typical severity: Very High. Parent pattern for CAPEC-696 Load Value Injection. Maps to weaknesses CWE-1037, CWE-1303, CWE-1264.

Pillar: Cybersecurity · Authority: MITRE Corporation · Version: 1.0.0 · Last updated: 2026-05-25

Primary source: https://capec.mitre.org/data/definitions/663.html

SHA-256 integrity: c0c01083223a41fccdb0693d8b220ad3be504320a38bb8f60e4c69f78e04c3e1

Primary Citations — 9 traced to source

MITRE CAPEC-663: Exploitation of Transient Instruction Execution (https://capec.mitre.org/data/definitions/663.html)
CWE-1037: underlying weakness (http://cwe.mitre.org/data/definitions/1037.html)

+ 7 more citations (full bibliography, deterministic workflow, actionable schema and crosswalks) included in the vault unlock — $0.01 via Skyfire / L402 / Direct Base USDC.

Access

Discovery (free): /api/v1/nodes/mitre-capec-capec-663-exploitation-of-transient-instruction-execution.json — 6-field metadata
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Canonical URL: https://bidda.com/intelligence/mitre-capec-capec-663-exploitation-of-transient-instruction-execution
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