CVE-2020-0557· NVD / CVE Program· CNA intel

Insecure inherited permissions in Intel(R) PROSet/Wireless WiFi products before version 21.70 on Windows 10 may allow an authenticated user

Insecure inherited permissions in Intel(R) PROSet/Wireless WiFi products before version 21.70 on Windows 10 may allow an authenticated user to potentially enable escalation of privilege via local access.

HighCVSS 7.8 · v3.1—Proof of concept No fix recorded

Local privilege escalation

BDU:2021-01335

Noroxi analysis

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Published: Apr 15, 2020
Updated: Jun 16, 2026
EPSS: 0.4% · 31th percentile
CWE: CWE-732

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Action score

Monitor

Low priority for now.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.4%

Affected systems

Vendor	Product	CPE
intel	proset\/wireless wifi	cpe:2.3:a:intel:proset\/wireless_wifi
intel	wi-fi 6 ax200	cpe:2.3:h:intel:wi-fi_6_ax200
intel	wi-fi 6 ax201	cpe:2.3:h:intel:wi-fi_6_ax201
intel	wireless-ac 9260	cpe:2.3:h:intel:wireless-ac_9260
intel	wireless-ac 9461	cpe:2.3:h:intel:wireless-ac_9461
intel	wireless-ac 9462	cpe:2.3:h:intel:wireless-ac_9462
intel	wireless-ac 9560	cpe:2.3:h:intel:wireless-ac_9560
intel	dual band wireless-ac 8260	cpe:2.3:h:intel:dual_band_wireless-ac_8260
intel	dual band wireless-ac 8265	cpe:2.3:h:intel:dual_band_wireless-ac_8265
intel	dual band wireless-ac 3165	cpe:2.3:h:intel:dual_band_wireless-ac_3165
intel	dual band wireless-ac 3168	cpe:2.3:h:intel:dual_band_wireless-ac_3168
intel	dual band wireless-ac 7265 \(rev d\)	cpe:2.3:h:intel:dual_band_wireless-ac_7265_\(rev_d\)

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

intel proset/wireless wifibefore 21.70.0.6
intel proset/wireless wifibefore 20.70.16.4
intel proset/wireless wifibefore 19.51.27.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.

n/a Intel(R) PROSet/Wireless WiFi Software
- Before version 21.70affected

Same product

intel: all records

Other highest-scoring records for the same primary product.

CVE-2020-12313Insufficient control flow management in some Intel(R) PROSet/Wireless WiFi products before version 21.110 may allow an unauthenticated user
35Monitor
CVE-2026-24911Stack-based buffer overflow for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service.
33Monitor
CVE-2026-22887Improper buffer restrictions for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service
33Monitor
CVE-2026-20789Improper access control for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow an escalation of
33Monitor
CVE-2026-20776Improper conditions check for some Intel(R) PROSet/Wireless WiFi Software within Ring 2: Device Drivers may allow a denial of service.
33Monitor
CVE-2026-20741Improper access control for some Intel(R) PROSet/Wireless WiFi Software within Ring 2: Device Drivers may allow a denial of service.
33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Proof-of-concept repository on GitHub	stars:0	2020-04-14

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

First PoCApr 14, 2020-2 d
PublishedApr 15, 2020
TodaySep 30, 2026+2359 d

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope