CVE-2018-8474Lync For Mac Vulnerability
A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka "Lync for Mac 2011 Security Feature Bypass Vulnerability." This affects Microsoft Lync.
Published Sep 12, 2018 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-8474 is a high-severity vulnerability (CVSS 7.5 v3) affecting Lync For Mac (Microsoft), Microsoft Lync.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 38% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS (30-day exploit likelihood)
38%
Higher than 98.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
45/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474
- advisory105268
- advisory1041633
Description
A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka "Lync for Mac 2011 Security Feature Bypass Vulnerability." This affects Microsoft Lync.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Lync For MacMicrosoft | 2011 | n/a |
| Microsoft Lync | >= Mac 2011 | n/a |
Timeline
Publicly disclosed
Sep 12, 2018
Last updated
Nov 21, 2024
Weakness Type
- CWE-20 Improper Input Validation
References
- advisoryportal.msrc.microsoft.com · CVE-2018-8474
- advisory105268
- advisory1041633
- exploitExploitDB-45936
- exploit45936
FAQ
Common Questions.
A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka "Lync for Mac 2011 Security Feature Bypass Vulnerability." This affects Microsoft Lync.
Affected: Lync For Mac (Microsoft) versions 2011; Microsoft Lync versions >= Mac 2011. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
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