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Safari Chrome Edge Firefox The latest security information on Intel® products. 2026.1 IPU, Intel® Processor Firmware Advisory Intel ID: INTEL-SA-01396 Advisory Category: Hardware Impact of vulnerability: Escalation of Privilege Severity rating: LOW Original release: 02/10/2026 Last revised: 02/10/2026 View all Show less Summary: A potential security vulnerability in some Intel® Processors may allow escalation of privilege. Intel is releasing microcode updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2025-31648 Description: Improper handling of values in the microcode flow for some Intel® Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (low) and availability (none) impacts. CVSS Base Score 4.0: 1.8 Low CVSS Vector 4.0: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N CVSS Base Score 3.1: 3.9 Low CVSS Vector 3.1: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N Affected Products: Product Collection Platform Vertical Segment CPU ID Platform ID 10th Generation Intel® Core™ processor family Ice Lake Mobile 706E5 0x80 11th Generation Intel® Core processor family Tiger Lake Mobile 806C1 11 11th Generation Intel® Core processor family Tiger Lake Mobile 806C1 11 Intel® Celeron® 6305RE, Intel® Celeron® 6305E, Intel® Core™ i3-1115GRE Intel® Core™ i3-1115G4E, Intel® Core™ i5-1145GRE, Intel® Core™ i5-1145G7E Intel® Core™ i7-1185GRE, Intel® Core™ i7-1185G7E Tiger Lake Embedded 806C1 11 11th Generation Intel® Core processor family Tiger Lake Mobile 806C1 11 11th Generation Intel® Core processor family Tiger Lake Mobile 806C2 11 11th Generation Intel® Core processor family Tiger Lake Mobile 806C2 11 11th Generation Intel® Core processor family Tiger Lake Mobile 806D1 11 Intel® Celeron® 6600HLE, Intel® Celeron® 6600HE, Intel® Core™ i3-11100HE Intel® Core™ i5-11500HE, Intel® Core™ i7-11850HE, Intel® Xeon® W-11155MLE Intel® Xeon® W-11555MLE, Intel® Xeon® W-11865MLE, Intel® Xeon® W-11865MRE Intel® Xeon® W-11555MRE, Intel® Xeon® W-11155MRE Tiger Lake Embedded 806D1 11 1. 11th Generation Intel® Core™ processor family Rocket Lake 1.Desktop A0671 02 Intel® Xeon® E-2300 processor family Intel® Xeon® W-1300 processor family Tatlow Server/AMT Server A0671 02 12th Generation Intel® Core™ processor family Intel® Pentium® Gold processor family Intel® Celeron® processor family Alder Lake Mobile, Embedded 906A4 80, 07 12th Generation Intel® Core™ processor family Intel® Pentium® Gold processor family Intel® Celeron® processor family Alder Lake Mobile 906A3 80 12th Generation Intel® Core™ processor family Intel® Pentium® Gold processor family Intel® Celeron® processor family Alder Lake Desktop 90675 07 12th Generation Intel® Core™ processor family Intel® Pentium® Gold processor family Intel® Celeron® processor family Alder Lake Desktop 90672 07 13th Generation Intel® Core™ Processor Family 14th Generation Intel® Core™ processor family Intel® Pentium® Gold processor family Intel® Celeron® processor family 13th Generation Intel® Core™ i7 processors Intel Pentium Processor G7400/G7400T Intel® Xeon® E processor family Raptor Lake, Catlow Mobile, Desktop, Server B06A2, B06A3, B06A8, B0671, B06F2, B06F5, B06A8, 90675, B0671 0xe0, 0x32, 07 Intel® Core™ Ultra processors (Series 1) Meteor Lake Mobile A06A1 A06A2 A06A3 A06A4 0x7 Intel® Core™ Ultra processors (Series 1) Meteor Lake Mobile A06A1 A06A2 A06A4 0x05 Intel® Core™ Ultra processors (Series 1) Meteor Lake Desktop A06C0 A06C1 0x01 Intel® Core™ Ultra processors (Series 2) Arrow Lake Mobile B0650 80 Intel® Core™ Ultra processors (Series 2) Arrow Lake Desktop C0662 82 Intel® Core™ Ultra processors (Series 2) Arrow Lake Mobile C0652 82 Intel® Core™ Ultra processors (Series 2) Arrow Lake Mobile C0664 82 Intel® Core™ Ultra processors (Series 2) Lunar Lake Mobile B06D1 0x80 3rd Generation Intel® Xeon® Scalable processor family Whitley Server 606A6 0x87 Intel® Xeon® D processor family Idaville Server, Embedded 606C1 10 4th Generation Intel® Xeon® Scalable processors 4th Generation Intel® Xeon® Platinum processors 4th Generation Intel® Xeon® Gold processors 4th Generation Intel® Xeon® Silver processor 4th Generation Intel® Xeon® Bronze processor Intel® Xeon® CPU Max Series processors 5th Generation Intel® Xeon® Scalable processors Eagle Stream Server 806F7, 806F8 87 4th Generation Intel® Xeon® Scalable processors 4th Generation Intel® Xeon® Platinum processors 4th Generation Intel® Xeon® Gold processors 4th Generation Intel® Xeon® Silver processor 4th Generation Intel® Xeon® Bronze processor Intel® Xeon® CPU Max Series processors Eagle Stream Server 806F8 10 4th Generation Intel® Xeon® Scalable processors 4th Generation Intel® Xeon® Platinum processors 4th Generation Intel® Xeon® Gold processors 4th Generation Intel® Xeon® Silver processor 4th Generation Intel® Xeon® Bronze processor Intel® Xeon® CPU Max Series processors Eagle Stream Workstation 806F7 806F8 87 Intel® Xeon® W Processors Fishhawk Falls Fishhawk Falls Refresh Server 806F8 87 5th Generation Intel® Xeon® Scalable processors Eagle Stream Server Workstation C06F2 87 Intel® Xeon® 6 processor with P-Cores Birch Stream Server A06D1, A06E1 0x95, 0x20 Intel® Xeon® 6700P-B/6500P-B Series SoC with P-Cores Kaseyville Server Workstation A06E1 0x4 Recommendation: Intel recommends that users of affected processors update the latest version of firmware provided by the system manufacturer that addresses this issue. Intel has released microcode updates for the affected processors that are currently supported on the public github repository as listed below. Related Content: Please see details below on access to the microcode: Public Github: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files Microcode loading points: https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/secure-coding/loading-microcode-os.html Acknowledgements: Intel would like to thank Sergiu Ghetie, the CEO of Cloud Tank Inc., for reporting this issue. Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available. Revision History Revision Date Description 1.0 02/10/2026 Initial Release View all Show less Legal Notices and Disclaimers Intel provides these materials as-is, with no express or implied warranties. 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