CVE-2015-8772 — McPvDrv.sys 4.6.111.0 in McAfee File Lock 5.x in McAfee Total Protection allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a large VERIFY_INFORMATION.Length value in an IOCTL_DISK_VERIFY ioctl call

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CRITICAL

McPvDrv.sys 4.6.111.0 in McAfee File Lock 5.x in McAfee Total Protection allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a large VERIFY_INFORMATION.Length value in an IOCTL_DISK_VERIFY ioctl call

Published Jan 29, 2016

9.1

CRITICAL

CVSS 3.0

EPSS 1.55%

Description

McPvDrv.sys 4.6.111.0 in McAfee File Lock 5.x in McAfee Total Protection allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a large VERIFY_INFORMATION.Length value in an IOCTL_DISK_VERIFY ioctl call.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.55% 0.01548

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01548

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.55% (0.01548)	74.13th	v5 (v2026.06.15)
Jun 15, 2026	1.55% (0.01548)	71.73th	v5 (v2026.06.15)
Mar 17, 2025	0.49% (0.00494)	63.65th	v4 (v2025.03.14)
Dec 12, 2024	0.22% (0.00219)	60.88th	v3 (v2023.03.01)
Jun 14, 2024	0.22% (0.00219)	60.11th	v3 (v2023.03.01)
Mar 7, 2023	0.22% (0.00219)	58.07th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)

Weaknesses (1)

CWE-19

References (2)

http://seclists.org/fulldisclosure/2016/Jan/90
mailing-listx_refsource_FULLDISC
https://www.nettitude.co.uk/mcafee-file-lock-driver-kernel-memory-leak/
x_refsource_MISC

Link	Providers	Tags
http://seclists.org/fulldisclosure/2016/Jan/90		mailing-listx_refsource_FULLDISC
https://www.nettitude.co.uk/mcafee-file-lock-driver-kernel-memory-leak/		x_refsource_MISC

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 29, 2016

Updated Aug 6, 2024

Reserved Jan 17, 2016

Link CVE-2015-8772

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-8772

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-8772