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CVE-2026-90890— ASRock｜ASRock Polychrome SYNC/RGB software utility - Untrusted Pointer Dereference

Quick assessment

Affected
ASRock ASRock Polychrome SYNC/RGB for MB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

由 ASRock Inc. 开发的 ASRock Polychrome SYNC/RGB 软件实用工具存在一个不可信指针解引用（Untrusted Pointer Dereference）漏洞。经过身份验证的本地攻击者可以发送一个经过精心构造的 IOCTL 请求，使驱动程序解引用一个未经验证的指针，从而导致操作系统崩溃。

CVSS 5.5 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
ASRock ASRock Polychrome SYNC/RGB for MB ≤ 1.0.118 affected
ASRock ASRock Polychrome SYNC/RGB for VGA ≤ 2.0.219 affected
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I. Basic Information for CVE-2026-90890

Vulnerability Information
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Vulnerability Title
ASRock｜ASRock Polychrome SYNC/RGB software utility - Untrusted Pointer Dereference
Source: CVE Program / CVE List V5
Vulnerability Description
ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Untrusted Pointer Dereference vulnerability. Authenticated local attackers can send a specially crafted IOCTL request to cause the driver to dereference an unvalidated pointer, resulting in an operating system crash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非可信指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ASRock ASRock Polychrome SYNC/RGB for MB 0 ~ 1.0.118 -
ASRock ASRock Polychrome SYNC/RGB for VGA 0 ~ 2.0.219 -

II. Public POCs for CVE-2026-90890

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III. Intelligence Information for CVE-2026-90890

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Vendor Advisories for CVE-2026-90890 (2)

IV. Related Vulnerabilities

Same product: ASRock Polychrome SYNC/RGB for MB
Same vendor: ASRock
Same weakness: CWE-822

V. Comments for CVE-2026-90890

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