CVE-2015-5900 — The protected range register in the EFI component in Apple OS X before 10.11 has an incorrect value, which allows attackers to cause a denial of service (boot failure) via a crafted app that writes to an unintended address

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HIGH

The protected range register in the EFI component in Apple OS X before 10.11 has an incorrect value, which allows attackers to cause a denial of service (boot failure) via a crafted app that writes to an unintended address

Published Oct 9, 2015

7.1

HIGH

CVSS 2.0

EPSS 1.56%

Description

The protected range register in the EFI component in Apple OS X before 10.11 has an incorrect value, which allows attackers to cause a denial of service (boot failure) via a crafted app that writes to an unintended address.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.56% 0.01562

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

EPSS probability 0.01562

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	1.56% (0.01562)	74.35th	v5 (v2026.06.15)
Jun 15, 2026	1.56% (0.01562)	71.95th	v5 (v2026.06.15)
Mar 17, 2025	0.59% (0.00592)	67.38th	v4 (v2025.03.14)
Dec 12, 2024	0.27% (0.00268)	68.58th	v3 (v2023.03.01)
Feb 8, 2024	0.27% (0.00268)	66.78th	v3 (v2023.03.01)
Mar 7, 2023	0.27% (0.00268)	62.51th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00954)	36.37th	v2 (v2022.01.01)
Sep 2, 2022	0.95% (0.00954)	34.50th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00954)	32.50th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00954)	16.28th	v2 (v2022.01.01)

Weaknesses (1)

CWE-254

References (3)

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
vendor-advisoryx_refsource_APPLEVendor Advisory
http://www.securitytracker.com/id/1033703
vdb-entryx_refsource_SECTRACK
https://support.apple.com/HT205267
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html		vendor-advisoryx_refsource_APPLEVendor Advisory
http://www.securitytracker.com/id/1033703		vdb-entryx_refsource_SECTRACK
https://support.apple.com/HT205267		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Oct 9, 2015

Updated Aug 6, 2024

Reserved Aug 6, 2015

Link CVE-2015-5900

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-5900

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-5900