How severe is CVE-2019-8550?

CVE-2019-8550 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-8550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8550?

CVE-2019-8550 primarily affects Apple Iphone Os. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-8550?

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

When was CVE-2019-8550 published?

CVE-2019-8550 was published on 2019-12-18 and last updated on 2026-06-17.

CVE-2019-8550

CVE-2019-8550 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 4.3. 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-459.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-459
Affected product: Apple Iphone Os
Published: 2019-12-18
Last modified: 2026-06-17

Description

An issue existed in the pausing of FaceTime video. The issue was resolved with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, watchOS 5.2. A user’s video may not be paused in a FaceTime call if they exit the FaceTime app while the call is ringing.

Frequently asked questions

What is CVE-2019-8550?: An issue existed in the pausing of FaceTime video. The issue was resolved with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, watchOS 5.2. A user’s video may not be paused in a FaceTime call if they exit the FaceTime app while the call is ringing.
How severe is CVE-2019-8550?: CVE-2019-8550 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-8550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8550?: CVE-2019-8550 primarily affects Apple Iphone Os. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-8550?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8550 published?: CVE-2019-8550 was published on 2019-12-18 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2017-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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