CVE-2023-28601 — Zoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability

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HIGH

Zoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability

Published Jun 13, 2023

8.3

HIGH

CVSS 3.1

EPSS 0.95%

Description

Zoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability. A malicious user may alter protected Zoom Client memory buffer potentially causing integrity issues within the Zoom Client.

Affected products

Vendor Zoom Video Communications, Inc. Product Zoom for Windows Client Default
unaffected
- Version
  before 5.14.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Zoom Video Communications, Inc.

Zoom for Windows Client

unaffected

Version	Status	Constraints
before 5.14.0	affected	-

Remediation

No remediation recorded yet.

Metrics

0.95% 0.00953

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00953

Score over time

2023–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.95% (0.00953)	60.01th	v5 (v2026.06.15)
Jun 15, 2026	0.95% (0.00953)	56.56th	v5 (v2026.06.15)
Mar 17, 2025	0.33% (0.00332)	53.91th	v4 (v2025.03.14)
Dec 12, 2024	0.05% (0.00048)	19.56th	v3 (v2023.03.01)
Jun 19, 2024	0.05% (0.00048)	17.59th	v3 (v2023.03.01)
Jun 5, 2024	0.04% (0.00045)	12.72th	v3 (v2023.03.01)
May 2, 2024	0.05% (0.00046)	14.92th	v3 (v2023.03.01)
Jun 22, 2023	0.05% (0.00046)	12.90th	v3 (v2023.03.01)
Jun 14, 2023	0.04% (0.00043)	6.99th	v3 (v2023.03.01)