CVE-2026-76499: cisco cisco application policy infrastructure controller (apic) Improper Neutralization
Vulnerability summary
CVE-2026-76499 is a critical (CVSS 9.8) Improper Neutralization vulnerability in cisco cisco application policy infrastructure controller (apic). EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.
Timeline
- 07-10-2026PublishedVulnerability first disclosed.
- 07-10-2026Last modifiedVulnerability information updated.
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-2026-76499 are related to improper neutralization issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-707.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- cisco application policy infrastructure controller (apic)5.2(1g) | 5.2(2e) | 5.2(2f) | 5.2(2g) | 5.2(2h) | 5.2(3f) | 5.2(3e) | 5.2(3g) | 5.2(4d) | 5.2(4e) | 5.2(5d) | 5.2(5c) | 6.0(1g) | 5.2(5e) | 5.2(4f) | 5.2(6e) | 6.0(1j) | 5.2(6g) | 5.2(7f) | 5.2(7g) | 6.0(2h) | 5.2(6h) | 5.2(4h) | 5.2(8d) | 6.0(2j) | 5.2(8e) | 6.0(3d) | 6.0(3e) | 5.2(8f) | 5.2(8g) | 5.3(1d) | 5.2(8h) | 6.0(4c) | 5.3(2a) | 5.2(8i) | 6.0(5h) | 5.3(2b) | 6.0(3g) | 6.0(5j) | 5.3(2c) | 6.0(6c) | 6.1(1f) | 6.0(7e) | 5.3(2d) | 6.0(8d) | 6.0(8e) | 6.1(2f) | 6.0(8f) | 5.3(2e) | 6.1(2g) | 5.3(2f) | 6.0(9c) | 6.1(3f) | 6.0(9d) | 6.0(6g) | 6.0(6h) | 6.0(8h) | 6.1(3g) | 6.1(4h) | 6.0(9e) | 6.1(5e) | 6.2(1f) | 6.2(1g) | 6.0(9f) | 6.2(2e)
1 vendor · 1 product