PT-2026-45296 · Tuxcare · Microcode Ctl

Published

2026-02-06

·

Updated

2026-02-06

None

No severity ratings or metrics are available. When they are, we'll update the corresponding info on the page.
  • Update Intel CPU microcode to 20251111:
  • Addition of cpuid:806F8/0x10 (SPR-HBM B3) microcode (in microcode.dat) at revision 0x2c000410;
  • Addition of cpuid:806F8/0x87 (SPR-SP E5/S3) microcode (in microcode.dat) at revision 0x2b000650;
  • Addition of cpuid:90672/0x07 (ADL-HX/S 8+8 C0) microcode (in microcode.dat) at revision 0x3d;
  • Addition of cpuid:906A3/0x80 (ADL-P 6+8/U 9W L0/R0) microcode (in microcode.dat) at revision 0x43a;
  • Addition of cpuid:A06D1/0x20 (GNR-AP/SP H0) microcode (in microcode.dat) at revision 0xa000124;
  • Addition of cpuid:A06D1/0x95 (GNR-AP/SP B0) microcode (in microcode.dat) at revision 0x10003f0;
  • Addition of cpuid:A06E1/0x97 microcode (in microcode.dat) at revision 0x1000273;
  • Addition of cpuid:B0650/0x80 (ARL-U A1) microcode (in microcode.dat) at revision 0xa;
  • Addition of cpuid:B0671/0x32 (RPL-S B0) microcode (in microcode.dat) at revision 0x132;
  • Addition of cpuid:B06A2/0xe0 (RPL-H 6+8/P 6+8 J0) microcode (in microcode.dat) at revision 0x6133;
  • Addition of cpuid:B06D1/0x80 (LNL B0) microcode (in microcode.dat) at revision 0x125;
  • Addition of cpuid:C0652/0x82 (ARL-H A1) microcode (in microcode.dat) at revision 0x11a;
  • Addition of cpuid:C0662/0x82 (ARL-HX 8P/S B0) microcode (in microcode.dat) at revision 0x11a;
  • Addition of cpuid:C0664/0x82 microcode (in microcode.dat) at revision 0x11a;
  • Addition of cpuid:C06A2/0x82 microcode (in microcode.dat) at revision 0x11a;
  • Addition of cpuid:C06F2/0x87 (EMR-SP A1) microcode (in microcode.dat) at revision 0x210002c0;
  • Removal of cpuid:50656/0xbf (CLX-SP B0) microcode (in microcode.dat) at revision 0x4003605;
  • Removal of cpuid:806F8/0x10 (SPR-HBM B3) microcode (in microcode.dat) at revision 0x2c0003e0;
  • Removal of cpuid:806F8/0x87 (SPR-SP E5/S3) microcode (in microcode.dat) at revision 0x2b000620;
  • Removal of cpuid:90672/0x07 (ADL-HX/S 8+8 C0) microcode (in microcode.dat) at revision 0x38;
  • Removal of cpuid:906A3/0x80 (ADL-P 6+8/U 9W L0/R0) microcode (in microcode.dat) at revision 0x436;
  • Removal of cpuid:B0671/0x32 (RPL-S B0) microcode (in microcode.dat) at revision 0x12c;
  • Removal of cpuid:B06A2/0xe0 (RPL-H 6+8/P 6+8 J0) microcode (in microcode.dat) at revision 0x4124;
  • Removal of cpuid:C06F1/0x87 (EMR-SP A0) microcode (in microcode.dat) at revision 0x21000291;
  • Removal of cpuid:C06F2/0x87 (EMR-SP A1) microcode (in microcode.dat) at revision 0x21000291;
  • Update of cpuid:50657/0xbf (CLX-SP/W/X B1/L1) microcode (in microcode.dat) from revision 0x5003707 up to 0x5003901;
  • Update of cpuid:5065B/0xbf (CPX-SP A1) microcode (in microcode.dat) from revision 0x7002904 up to 0x7002b01;
  • Update of cpuid:606A6/0x87 (ICX-SP D0) microcode (in microcode.dat) from revision 0xd0003f5 up to 0xd000410;
  • Update of cpuid:606C1/0x10 (ICL-D B0) microcode (in microcode.dat) from revision 0x10002c0 up to 0x10002e0;
  • Update of cpuid:706A8/0x01 (GLK-R R0) microcode (in microcode.dat) from revision 0x24 up to 0x26;
  • Update of cpuid:706E5/0x80 (ICL-U/Y D1) microcode (in microcode.dat) from revision 0xc6 up to 0xca;
  • Update of cpuid:806C1/0x80 (TGL-UP3/UP4 B1) microcode (in microcode.dat) from revision 0xb8 up to 0xbc;
  • Update of cpuid:806C2/0xc2 (TGL-R C0) microcode (in microcode.dat) from revision 0x38 up to 0x3c;
  • Update of cpuid:806D1/0xc2 (TGL-H R0) microcode (in microcode.dat) from revision 0x52 up to 0x56;
  • Update of cpuid:806EC/0x94 (AML-Y 4+2 V0, CML-U 4+2 V0, WHL-U V0) microcode (in microcode.dat) from revision 0xfc up to 0x100;
  • Update of cpuid:806F4/0x10 microcode (in microcode.dat) from revision 0x2c0003e0 up to 0x2c000410;
  • Update of cpuid:806F4/0x87 (SPR-SP E0/S1) microcode (in microcode.dat) from revision 0x2b000620 up to 0x2b000650;
  • Update of cpuid:806F5/0x10 (SPR-HBM B1) microcode (in microcode.dat) from revision 0x2c0003e0 up to 0x2c000410;
  • Update of cpuid:806F5/0x87 (SPR-SP E2) microcode (in microcode.dat) from revision 0x2b000620 up to 0x2b000650;
  • Update of cpuid:806F6/0x10 microcode (in microcode.dat) from revision 0x2c0003e0 up to 0x2c000410;
  • Update of cpuid:806F6/0x87 (SPR-SP E3) microcode (in microcode.dat) from revision 0x2b000620 up to 0x2b000650;
  • Update of cpuid:806F7/0x87 (SPR-SP E4/S2) microcode (in microcode.dat) from revision 0x2b000620 up to 0x2b000650;
  • Update of cpuid:90675/0x07 (ADL-S 6+0 K0) microcode (in microcode.dat) from revision 0x38 up to 0x3d;
  • Update of cpuid:906A4/0x40 (AZB A0) microcode (in microcode.dat) from revision 0x9 up to 0xb;
  • Update of cpuid:906A4/0x80 (ADL-P 2+8 R0) microcode (in microcode.dat) from revision 0x436 up to 0x43a;
  • Update of cpuid:906ED/0x22 (CFL-H/S/Xeon E R0) microcode (in microcode.dat) from revision 0x102 up to 0x104;
  • Update of cpuid:A0652/0x20 (CML-H R1) microcode (in microcode.dat) from revision 0xfc up to 0x100;
  • Update of cpuid:A0653/0x22 (CML-S 6+2 G1) microcode (in microcode.dat) from revision 0xfc up to 0x100;
  • Update of cpuid:A0655/0x22 (CML-S 10+2 Q0) microcode (in microcode.dat) from revision 0xfc up to 0x100;
  • Update of cpuid:A0660/0x80 (CML-U 6+2 A0) microcode (in microcode.dat) from revision 0xfe up to 0x102;
  • Update of cpuid:A0661/0x80 (CML-U 6+2 v2 K1) microcode (in microcode.dat) from revision 0xfc up to 0x100;
  • Update of cpuid:A0671/0x02 (RKL-S B0) microcode (in microcode.dat) from revision 0x63 up to 0x64;
  • Update of cpuid:A06A4/0xe6 (MTL-H/U C0) microcode (in microcode.dat) from revision 0x20 up to 0x25;
  • Update of cpuid:A06F3/0x01 (SRF-SP C0) microcode (in microcode.dat) from revision 0x3000330 up to 0x3000382;
  • Update of cpuid:B0674/0x32 microcode (in microcode.dat) from revision 0x12c up to 0x132;
  • Update of cpuid:B06A3/0xe0 (RPL-U 2+8 Q0) microcode (in microcode.dat) from revision 0x4124 up to 0x6133;
  • Update of cpuid:B06A8/0xe0 microcode (in microcode.dat) from revision 0x4124 up to 0x6133;
  • Update of cpuid:B06E0/0x19 (ADL-N A0) microcode (in microcode.dat) from revision 0x1c up to 0x1e;
  • Update of cpuid:B06F2/0x07 (ADL C0) microcode (in microcode.dat) from revision 0x38 up to 0x3d;
  • Update of cpuid:B06F5/0x07 (ADL C0) microcode (in microcode.dat) from revision 0x38 up to 0x3d;
  • Update of cpuid:B06F6/0x07 microcode (in microcode.dat) from revision 0x38 up to 0x3d;
  • Update of cpuid:B06F7/0x07 microcode (in microcode.dat) from revision 0x38 up to 0x3d;
  • Update of cpuid:C06F1/0x87 (EMR-SP A0) microcode (in microcode.dat) from revision 0x21000291 up to 0x210002c0;
  • Update AMD CPU microcode to 2026-01-10:
  • Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21(ver:0x0B002161), cpuid:0x00B00F81(ver:0x0B008121), cpuid:0x00B10F10(ver:0x0B101058), cpuid:0x00B20F40(ver:0x0B204037), cpuid:0x00B40F40(ver:0x0B404035), cpuid:0x00B40F41(ver:0x0B404108), cpuid:0x00B60F00(ver:0x0B600037), cpuid:0x00B60F80(ver:0x0B608038), cpuid:0x00B70F00(ver:0x0B700037);
  • Update AMD CPU microcode for processor family 0x19: cpuid:0x00A00F11(ver:0x0A0011DE), cpuid:0x00A00F12(ver:0x0A001247), cpuid:0x00A00F82(ver:0x0A00820D), cpuid:0x00A10F11(ver:0x0A101158), cpuid:0x00A10F12(ver:0x0A101253), cpuid:0x00A10F81(ver:0x0A108109), cpuid:0x00A20F10(ver:0x0A20102E), cpuid:0x00A20F12(ver:0x0A201211), cpuid:0x00A40F41(ver:0x0A404108), cpuid:0x00A50F00(ver:0x0A500012), cpuid:0x00A60F12(ver:0x0A60120A), cpuid:0x00A70F41(ver:0x0A704108), cpuid:0x00A70F52(ver:0x0A705208), cpuid:0x00A70F80(ver:0x0A708008), cpuid:0x00A70FC0(ver:0x0A70C008), cpuid:0x00AA0F02(ver:0x0AA0021C);
Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Related Identifiers

CLSA-2026-1770312389

Affected Products

Microcode Ctl