CVE-2026-76500

CRITICAL
INFO Priority: 0.03 BB Relevance: 80/100
Published: 2026-10-07 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-76500 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

Affected Software (65)

VendorProductVersion
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(1g)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(2e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(2f)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(2g)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(2h)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(3f)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(3e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(3g)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(4d)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(4e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(5d)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(5c)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.0(1g)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(5e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(4f)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(6e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.0(1j)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(6g)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(7f)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(7g)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.0(2h)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(6h)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(4h)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(8d)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.0(2j)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(8e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.0(3d)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.0(3e)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(8f)
Cisco Cisco Application Policy Infrastructure Controller (APIC) 5.2(8g)
Showing 30 of 65 entries

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.34%
Raw Score 0.003450
Percentile 28.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00345
2026-11-12
0.00345
2026-11-10
0.00345
2026-11-09
0.00345
2026-11-08
0.00345
2026-11-07
0.00325

Intelligence Sources

mitre ref →
nvd ref →