Public proof of conceptFix available

CVE-2017-13861

Q: Is CVE-2017-13861 actively exploited?

Active exploitation of CVE-2017-13861 has not been confirmed. Its EPSS score was 14.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-13861?

CVE-2017-13861 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2017-12-25
Fixed in11.2
WeaknessCWE-119

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in certain Apple products. iOS before 11.2 is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "IOSurface" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Timeline

dates in UTC

2017-12-2521:29CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-13861?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-13861?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apple iphone os

Branch	Affected	Fixed in	Source
11.2	< 11.2	11.2	NVD

Apple tvos

Branch	Affected	Fixed in	Source
11.2	< 11.2	11.2	NVD

Apple watchos

Branch	Affected	Fixed in	Source
4.2	< 4.2	4.2	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apple iphone os to 11.2

Advisories and patches

support.apple.comVendor Advisory
support.apple.comVendor Advisory
support.apple.comVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-43320
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-119read 2026-10-23
FIRST EPSSEPSS score14.9 %read 2026-10-23
Exploit-DBdetectionread 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2017-12-25
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-13861?

Is CVE-2017-13861 actively exploited?

Active exploitation of CVE-2017-13861 has not been confirmed. Its EPSS score was 14.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-13861?

CVE-2017-13861 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database