How severe is CVE-2016-7968?

CVE-2016-7968 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-7968 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7968?

CVE-2016-7968 affects Kde Kmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7968?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-7968 published?

CVE-2016-7968 was published on 2016-12-23 and last updated on 2026-06-17.

CVE-2016-7968

CVE-2016-7968 is a medium-severity vulnerability in Kde Kmail with a CVSS 3.x base score of 6.5. 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-94.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 7.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Kde Kmail
Published: 2016-12-23
Last modified: 2026-06-17

Description

KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. HTML Mail contents were not sanitized for JavaScript and included code was executed.

Frequently asked questions

What is CVE-2016-7968?: KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. HTML Mail contents were not sanitized for JavaScript and included code was executed.
How severe is CVE-2016-7968?: CVE-2016-7968 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-7968 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7968?: CVE-2016-7968 affects Kde Kmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7968?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-7968 published?: CVE-2016-7968 was published on 2016-12-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kde:kmail:*:*:*:*:*:*:*:*

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