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CVE-2017-0129

22
FAUCET Score

CVE-2017-0129 describes a critical certificate validation vulnerability in Microsoft Lync for Mac 2011, allowing remote attackers to intercept and alter server-client communications. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network without user interaction, potentially leading to high integrity impact. Despite its severity, there is no public exploit code available, nor is it listed on the CISA KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are also minimal.

Impacted Technologies

VendorProductVersion(s)CPE
2011CPE matchmatch criteria
cpe:2.3:a:microsoft:lync_for_mac:2011:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
7.88%
Probability of exploitation in next 30 days
EPSS Percentile
94.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0788 is in the 90th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Lync for Mac 2011
View patch

Vendor Advisories (1)

microsoft2017-Mar/CVE-2017-0129Important

Microsoft Lync for Mac Certificate Validation Vulnerability

Mar 14, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-0129
PatchVendor Advisory
securityfocus.com / bid/96752
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038020