SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-4953

Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have a Type Confusion vulnerability.

HIGH 8.8EPSS 9.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (9.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have a Type Confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
9.35% probability · 95th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-704
Affected
adobe/acrobat dc · adobe/acrobat reader dc
Source
psirt@adobe.com
EPSS trend
0%5%10%21 September 2026: 8.21%22 September 2026: 9.35%27 October 2026: 9.35%21 September 202627 October 2026

EPSS moved from 8.2% on 21 September 2026 to 9.3% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.