SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11263

Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the internal data structure manipulation related to document encoding.

HIGH 8.8EPSS 26.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 26.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the internal data structure manipulation related to document encoding. Successful exploitation could lead to arbitrary code execution.

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
26.06% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
adobe/acrobat · adobe/acrobat dc · adobe/acrobat reader · adobe/acrobat reader dc · adobe/reader
Source
psirt@adobe.com
EPSS trend
0%15%30%21 September 2026: 21.10%22 September 2026: 26.06%27 October 2026: 26.06%21 September 202627 October 2026

EPSS moved from 21.1% on 21 September 2026 to 26.1% 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.