CRITICAL✓ PATCH🇵🇱 Wersja polska

CVE-2026-20272

CVSS 9.8v3.1pub. 2026-08-05upd. 2026-08-14

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software 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-2026-20272 are related to issues with improper neutralization of special elements that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Cisco IOS XE

    OS
    Cisco
    16.10.116.10.1a16.10.1b16.10.1c16.10.1d16.10.1e16.10.1f16.10.1g16.10.1s16.10.216.10.316.11.116.11.1a16.11.1b16.11.1c+ 85 more
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
CWE
References

Related vulnerabilities

CVE-2023-20198CRITICAL10.0⚠ KEVPL ✓same product

Cisco IOS XE Web UI — nieautoryzowane tworzenie konta z privilege 15

CVE-2018-0151CRITICAL9.8⚠ KEVPL ✓same product

Buffer overflow w QoS Cisco IOS/IOS XE — RCE i DoS przez UDP 18999

CVE-2017-3881CRITICAL9.8⚠ KEVPL ✓same product

RCE w Cisco IOS/IOS XE – podatność protokołu CMP przez Telnet

CVE-2026-20267CRITICAL9.0PL ✓same product

Nieprawidłowa kontrola dostępu w Cisco IOS XE Software (CVE-2026-20267)

CVE-2025-20363CRITICAL9.0PL ✓same product

RCE w web services Cisco ASA, FTD, IOS, IOS XE, IOS XR przez HTTP