Release Notes

microcode-20260512

Security updates for INTEL-SA-01420
Update for functional issues. Refer to 4th Gen Intel® Xeon® Scalable Processors Specification Update for details.
Update for functional issues. Refer to 5th Gen Intel® Xeon® Scalable Processors Specification Update for details.
Update for functional issues. Refer to Intel® Core™ Ultra 200 V Series Processor for details.
Update for functional issues. Refer to Intel® Core™ Ultra Processors (Series 2) for details.
Update for functional issues. Refer to Intel® Core™ Ultra Processors (Series 3) for details.
Update for functional issues. Refer to Intel® Xeon® 6700 Series Processors with E-cores for details.
Update for functional issues. Refer to Intel® Xeon® 6900/6700/6500 Series Processors with P-cores for details.
Update for functional issues. Refer to Intel® Xeon® 6700P-B/6500P-B-Series SoC with P-Cores for details.

Processor	Stepping	F-M-S/PI	Old Ver	New Ver	Products
PTL 404	A1	06-cc-03/90		0000011b	Intel Core Ultra Processor (Series 3)
PTL-H 484/12Xe	A0/B0	06-cc-02/90		0000011b	Intel Core Ultra Processor (Series 3)

Processor	Stepping	F-M-S/PI	Old Ver	New Ver	Products
ARL-H	A1	06-c5-02/82	0000011b	00000121	Core Ultra Processor (Series 2)
ARL-S/HX (8P)	B0	06-c6-02/82	0000011b	00000121	Core Ultra Processor (Series 2)
EMR-SP	A1	06-cf-02/87	210002d3	210002e0	Xeon Scalable Gen5
GNR-AP/SP	Bx/Hx/Lx	06-ad-01/95	01000405	01000423	Xeon 6900/6700/6500 Series Processors with P-Cores
GNR-D	B0/B1	06-ae-01/97	01000303	01000307	Xeon 6700P-B/6500P-B Series SoC with P-Cores
GNR-SP R1S	Bx/Hx/Lx	06-ad-01/20	0a000133	0a000142	Xeon 6700/6500-Series Processors with P-Cores
LNL	B0	06-bd-01/80	00000125	00000126	Core Ultra 200 V Series Processor
SPR-SP	E4/S2	06-8f-07/87	2b000661	2b000670	Xeon Scalable Gen4
SPR-SP	E5/S3	06-8f-08/87	2b000661	2b000670	Xeon Scalable Gen4
SRF-AP/SP	C0	06-af-03/01	03000382	030003a3	Xeon 6900/6700-Series Processors with E-Cores