CVE-2018-4991
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable...
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable Improper certificate validation vulnerability. Successful exploitation could lead to a security bypass.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable Improper certificate validation vulnerability. Successful exploitation could lead to a security bypass.
- Record
CVE-2018-4991- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable Improper certificate validation vulnerability. Successful exploitation could lead to a security bypass.
- Record
CVE-2018-4991- Updated
- 2026-11-02
EUVDEUVD-2018-16776 No score
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable Improper certificate validation vulnerability. Successful exploitation could lead to a security bypass.
- Record
EUVD-2018-16776- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xqw6-233f-6mq4
9.8
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable...
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable Improper certificate validation vulnerability. Successful exploitation could lead to a security bypass.
- Record
GHSA-xqw6-233f-6mq4- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-295
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-4991 is a critical vulnerability (CVSS 9.8) in Adobe Creative Cloud, published May 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.88%, the 90th percentile. No source names a fixed version.