CVE-2025-20053
Description
Improper buffer restrictions for some Intel(R) Xeon(R) Processor firmware with SGX enabled may allow a privileged user to potentially enable escalation of privilege via local access.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Improper buffer restrictions in Intel Xeon firmware with SGX allow privileged users to escalate privileges locally.
Root
Cause CVE-2025-20053 arises from improper buffer restrictions in the firmware of certain Intel(R) Xeon(R) processors when Intel Software Guard Extensions (SGX) is enabled. This memory-handling flaw can lead to buffer overflows or other memory corruption issues within the firmware environment.
Exploitation
Exploitation requires a privileged user with local access to the system. The attacker must already have some level of system privileges, such as administrative access to the operating system, to trigger the vulnerable code path in the firmware. No network vector is involved; the attack is purely local.
Impact
An attacker who successfully exploits this vulnerability can escalate their privileges, potentially gaining access to protected memory regions or higher execution levels within the firmware or SGX enclaves. This could enable further compromise of the system's security mechanisms.
Mitigation
Intel has released firmware updates to address this issue as part of Intel Security Advisory INTEL-SA-01313 [1]. Affected users should apply the latest firmware updates provided by their system manufacturers.
AI Insight generated on May 19, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2News mentions
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