Medium severity · published Sep 16, 2026
CVE-2026-76444
Cisco Identity Services Engine Information Disclosure Vulnerability
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device. This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
Cisco ISE Passive Identity Connector · Cisco
3.4.0; 3.5.0 · source: vendor
CI
Cisco Identity Services Engine Software · Cisco
3.4.0; 3.4 Patch 1; 3.4 Patch 2; 3.4 Patch 3; 3.5.0; 3.4 Patch 4; +5 more · source: vendor
IS
Identity Services Engine · Cisco
3.4.0; 3.4.0; 3.4.0; 3.4.0; 3.4.0; 3.4.0; +5 more · source: NVD
IS
Identity Services Engine Passive Identity Connector · Cisco
3.4.0; 3.4.0; 3.4.0; 3.4.0; 3.4.0; 3.4.0; +1 more · source: NVD
Affected product
CI
Cisco Identity Services Engine Software
Cisco
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