High severity · published Sep 15, 2026
CVE-2026-83187
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar)
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Common Applications Calendar. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Common Applications Calendar accessible data as well as unauthorized read access to a subset of Oracle Common Applications Calendar accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OC
Oracle Common Applications Calendar · Oracle Corporation
12.2.3 through 12.2.15 · source: vendor
Affected product
OC
Oracle Common Applications Calendar
Oracle Corporation
More from Oracle Common Applications Calendar
7.1
CVE-2026-83186
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar)
7.1
CVE-2026-83179
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar)
6.3
CVE-2026-61294
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Calendar Synchronizations)