Intel CPU BIOS Firmware input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Intel CPU. This issue affects some unknown processing of the component BIOS Firmware Handler. Such manipulation leads to input validation. This vulnerability is documented as CVE-2022-26006. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Intel CPU (Chip Software) (affected version unknown). Affected by this issue is an unknown functionality of the component BIOS Firmware Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

The weakness was released 11/12/2022 as intel-sa-00688. The advisory is shared for download at intel.com. This vulnerability is handled as CVE-2022-26006 since 03/02/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/05/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.7
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Intel Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/02/2022 🔍
11/12/2022 +255 days 🔍
11/12/2022 +0 days 🔍
02/05/2025 +816 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00688
Status: Confirmed

CVE: CVE-2022-26006 (🔍)
GCVE (CVE): GCVE-0-2022-26006
GCVE (VulDB): GCVE-100-213536

Entryinfo

Created: 11/12/2022 15:36
Updated: 02/05/2025 16:35
Changes: 11/12/2022 15:36 (39), 12/17/2022 13:31 (22), 02/05/2025 16:35 (15)
Complete: 🔍
Cache ID: 216::103

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