Known vulnerabilities in Cisco IOS XR 7.3.26

Software: Cisco IOS XR
Version: 7.3.26
Software CPE: cpe:2.3:o:cisco_systems:cisco_ios_xr:*:*:*:*:*:*:*:*
Total vulnerabilities: 7
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 9.3

Vulnerabilities by Severity

Severity distribution of vulnerabilities affecting Cisco IOS XR version 7.3.26 Cisco IOS XR 7.3.26 is affected by 7 vulnerabilities: 7 high Critical High Medium Low

Vulnerabilities (7)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU146765 - Incorrect Calculation
CVE-2026-20275
CWE-682 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283
#VU146766 - Insufficient Control Flow Management
CVE-2026-20276
CWE-691 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283
#VU146767 - Protection Mechanism Failure
CVE-2026-20277
CWE-693 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283
#VU146768 - Improper Neutralization
CVE-2026-20278
CWE-707 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283
#VU146769 - Improper Access Control
CVE-2026-20279
CWE-284 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283
#VU146770 - Improper Check or Handling of Exceptional Conditions
CVE-2026-20280
CWE-703 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283
#VU146764 - Improper control of a resource through its lifetime
CVE-2026-20274
CWE-664 High
No
No
26.2.2, 26.3.1 02.09.2026 SB2026090283