How severe is CVE-2018-15983?

CVE-2018-15983 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15983?

CVE-2018-15983 primarily affects Adobe Flash Player. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-15983?

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-2018-15983 published?

CVE-2018-15983 was published on 2019-01-18 and last updated on 2026-06-17.

CVE-2018-15983

CVE-2018-15983 is a high-severity vulnerability in Adobe Flash Player with a CVSS 3.x base score of 7.8. 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-426.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Adobe Flash Player
Published: 2019-01-18
Last modified: 2026-06-17

Description

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have an insecure library loading (dll hijacking) vulnerability. Successful exploitation could lead to privilege escalation.

Frequently asked questions

What is CVE-2018-15983?: Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have an insecure library loading (dll hijacking) vulnerability. Successful exploitation could lead to privilege escalation.
How severe is CVE-2018-15983?: CVE-2018-15983 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15983?: CVE-2018-15983 primarily affects Adobe Flash Player. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-15983?: 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-2018-15983 published?: CVE-2018-15983 was published on 2019-01-18 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:*

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