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CVE-2016-1731

21
FAUCET Score

CVE-2016-1731 describes a vulnerability in Apple Software Update for Windows prior to version 2.2, where the lack of HTTPS usage allowed man-in-the-middle attackers to spoof updates. This medium-severity vulnerability (CVSS 5.9) has a high attack complexity but could lead to high integrity impact by modifying the client-server data stream. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.3.127CPE matchmatch criteria
cpe:2.3:a:apple:software_update:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 14th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

applepatch availablevia nvd_reference
View patch

References

support.apple.com / kb/HT206091
PatchVendor Advisory
securityfocus.com / bid/84283
securitytracker.com / id/1035256