How severe is CVE-2017-9948?

CVE-2017-9948 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-9948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9948?

CVE-2017-9948 primarily affects Microsoft Skype. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-9948?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-9948 published?

CVE-2017-9948 was published on 2017-06-26 and last updated on 2026-06-17.

CVE-2017-9948

CVE-2017-9948 is a high-severity vulnerability in Microsoft Skype with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Skype
Published: 2017-06-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-9948?: 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.
How severe is CVE-2017-9948?: CVE-2017-9948 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9948?: CVE-2017-9948 primarily affects Microsoft Skype. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-9948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-9948 published?: CVE-2017-9948 was published on 2017-06-26 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:microsoft:skype:7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:skype:7.35:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:skype:7.36:*:*:*:*:*:*:*

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