CVE-2017-9948

Skype vulnerability

CVSS

8.8

EPSS

6.4%

EPSS pct

93th

Exploited

No known

A stack buffer overflow vulnerability has been discovered in Microsoft Skype 7.2, 7.35, and 7.36 before 7.37, involving MSFTEDIT.DLL mishandling of remote RDP clipboard content within the message box.

Affected vendor

Microsoft

Affected product

Skype

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2017-06-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2017-9948

Confirm whether Microsoft Skype is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-9948.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-9948

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-9948 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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