Medium · CVSS 6.8CVE-2026-90890

ASRock｜ASRock Polychrome SYNC/RGB software utility - Untrusted Pointer DereferenceCVE-2026-90890

Answer in brief

CVE-2026-90890 records a Medium severity (CVSS 6.8) vulnerability in ASRock｜ASRock Polychrome SYNC/RGB software utility - Untrusted Pointer Dereference. The current sources do not mark it as known exploited. The current feed maps ASRock/ASRock Polychrome SYNC/RGB for MB (generic), ASRock/ASRock Polychrome SYNC/RGB for MB (generic), ASRock/ASRock Polychrome SYNC/RGB for VGA (generic), ASRock/ASRock Polychrome SYNC/RGB for VGA (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 14, 2026Updated Sep 18, 2026Source checked Oct 29, 2026First seen by HOL Sep 14, 2026Material review Sep 18, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.8
Exploitation: Not marked as known exploited
Affected software: 4 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ASRock/ASRock Polychrome SYNC/RGB for MB (generic), ASRock/ASRock Polychrome SYNC/RGB for MB (generic), ASRock/ASRock Polychrome SYNC/RGB for VGA (generic), ASRock/ASRock Polychrome SYNC/RGB for VGA (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ASRock/ASRock Polychrome SYNC/RGB for MBgeneric	>=0 <=1.0.118	Not reported
ASRock/ASRock Polychrome SYNC/RGB for MBgeneric	0	Not reported
ASRock/ASRock Polychrome SYNC/RGB for VGAgeneric	>=0 <=2.0.219	Not reported
ASRock/ASRock Polychrome SYNC/RGB for VGAgeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for ASRock/ASRock Polychrome SYNC/RGB for MB, ASRock/ASRock Polychrome SYNC/RGB for MB, ASRock/ASRock Polychrome SYNC/RGB for VGA.
Review the reported fix. Source-reported solution: Update ASRock Polychrome SYNC/RGB for MB to a version later than 1.0.118 Update ASRock Polychrome SYNC/RGB for VGA to a version later than 2.0.219

Evidence timeline and material changes

Published upstream
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 14, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.