CVE-2021-0164· NVD / CVE Program· CNA intel

Improper access control in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and

Improper access control in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user to potentially enable escalation of privilege via local access.

HighCVSS 7.8 · v3.1—No exploit Fix available

Local privilege escalation

Published: Feb 9, 2022
Updated: Jun 16, 2026
EPSS: 0.3% · 21th percentile
CWE: —

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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 · 0.3%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

Affected systems

Vendor	Product	CPE
intel	amt ac 8260 firmware	cpe:2.3:o:intel:amt_ac_8260_firmware
intel	amt ac 8260	cpe:2.3:h:intel:amt_ac_8260
intel	amt ac 8265 firmware	cpe:2.3:o:intel:amt_ac_8265_firmware
intel	amt ac 8265	cpe:2.3:h:intel:amt_ac_8265
intel	amt ac 9260 firmware	cpe:2.3:o:intel:amt_ac_9260_firmware
intel	amt ac 9260	cpe:2.3:h:intel:amt_ac_9260
intel	amt ac 9560 firmware	cpe:2.3:o:intel:amt_ac_9560_firmware
intel	amt ac 9560	cpe:2.3:h:intel:amt_ac_9560
intel	amt wi-fi 6 ax200 firmware	cpe:2.3:o:intel:amt_wi-fi_6_ax200_firmware
intel	amt wi-fi 6 ax200	cpe:2.3:h:intel:amt_wi-fi_6_ax200
intel	amt wi-fi 6 ax201 firmware	cpe:2.3:o:intel:amt_wi-fi_6_ax201_firmware
intel	amt wi-fi 6 ax201	cpe:2.3:h:intel:amt_wi-fi_6_ax201

and 32 more

Affected versions

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

intel amt ac 8260 firmwarebefore 11.8.90
intel amt ac 8265 firmwarebefore 11.8.90
intel amt ac 9260 firmwarebefore 12.0.85
intel amt ac 9560 firmwarebefore 12.0.85
intel amt wi-fi 6 ax200 firmwarebefore 12.0.85
intel amt wi-fi 6 ax200 firmware14.0.0 and later · before 14.1.60
intel amt wi-fi 6 ax200 firmware15.0.0 and later · before 15.0.35
intel amt wi-fi 6 ax201 firmware14.0.0 and later · before 14.1.60
intel amt wi-fi 6 ax201 firmware15.0.0 and later · before 15.0.35
intel amt wi-fi 6 ax210 firmwarebefore 15.0.35
intel killer ac 1550 firmwarebefore 3.0
intel killer wi-fi 6 ax1650 firmwarebefore 3.0
intel killer wi-fi 6e ax1675 firmwarebefore 3.0
intel proset ac 3165 firmwarebefore 22.60
intel proset ac 3168 firmwarebefore 22.60
intel proset ac 8260 firmwarebefore 22.60
intel proset ac 8265 firmwarebefore 22.60
intel proset ac 9260 firmwarebefore 22.60
intel proset ac 9461 firmwarebefore 22.60
intel proset ac 9462 firmwarebefore 22.60

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 Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11
- See referencesaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
openSUSE:Leap 15.3	kernel-firmware	before 20210208-150300.4.7.1	20210208-150300.4.7.1
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	kernel-firmware	before 20200107-3.26.1	20200107-3.26.1
SUSE:Linux Enterprise Module for Basesystem 15 SP3	kernel-firmware	before 20210208-150300.4.7.1	20210208-150300.4.7.1

Same product

intel: all records

Other highest-scoring records for the same primary product.

CVE-2021-0163Improper Validation of Consistency within input in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may
35Monitor
CVE-2021-0162Improper input validation in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthentica
35Monitor
CVE-2021-0066Improper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 an
33Monitor
CVE-2021-0183Improper Validation of Specified Index, Position, or Offset in Input in software for some Intel(R) PROSet/Wireless Wi-Fi in multiple operati
26Monitor
CVE-2021-0179Improper Use of Validation Framework in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an u
26Monitor
CVE-2021-0178Improper input validation in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthentica
26Monitor

Remediation

Which version to upgrade to

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

Product / package	Fixed version	Source
opensuse:kernel-firmware	20210208-150300.4.7.1 · openSUSE:Leap 15.3	Package registry (OSV)
suse:kernel-firmware	20200107-3.26.1 · SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

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.

—

Bug bounty scope

Intel® Vulnerability Disclosure Program Intigriti · disclosure only (VDP)

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

Someone with local access to the system can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

Fix✗ → ✓Sep 28, 2026, 10:47 PM UTC

For records you follow, these changes also arrive as notifications. →

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00539.html

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records