CVE-2026-21733

HIGH

CVSS v3.1: 7.3 · EPSS: 0.0011 (1.6 percentile)

No user interactionImproper Input Validation

Source data as of:

At a glance

Severity
HIGH
CVSS
7.3 v3.1 · NVD
EPSS
0.0011 (1.6 percentile) · FIRST.org
CISA KEV
No
Type
Improper Input Validation · NVD CWE
Attack conditions (CVSS vector)
No user interaction · Source: NVD Vector
Published
2026-04-17 · Modified: 2026-06-26
References
Jump to references (1)

CVSS / EPSS / KEV

CVSS v3.1 7.3 / 10 HIGH Source: NVD
EPSS 0.0011 1.6 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files. This is caused by improper handling of GPU memory reservation protections.

Record details

CVE ID
CVE-2026-21733
CVSS (v3.1)
7.3 (HIGH)
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Exploitability subscore
1.8
Impact subscore
5.5
EPSS
0.0011 (1.6 percentile) — 2026-06-27
CISA KEV
No
Weakness (CWE)
CWE-280, CWE-20
Affected configurations (CPE)
0
Published
2026-04-17
Modified
2026-06-26
Status
Awaiting Analysis

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-45195 HIGH CVSS 7.8 CVE-2026-9792 MEDIUM CVSS 6.5 CVE-2017-8046 CRITICAL CVSS 9.8 CVE-2026-12569 CRITICAL CVSS 9.8 KEV

Published the same year

CVE-2026-10561 CRITICAL CVSS 10.0 CVE-2026-48020 CRITICAL CVSS 10.0 CVE-2026-48491 CRITICAL CVSS 10.0 CVE-2026-49869 CRITICAL CVSS 10.0
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