[NEW] [high] Cisco IOS XE: Multiple Vulnerabilities
An attacker can exploit multiple vulnerabilities in Cisco IOS XE to execute arbitrary code, bypass security measures, disclose confidential information, manipulate data, or trigger a denial of service condition.
CSIRTS triage
- What
- Multiple vulnerabilities enable arbitrary code execution, security bypass, information disclosure, data manipulation, and denial of service.
- Who is affected
- Devices running vulnerable Cisco IOS XE versions.
- Urgency
- High severity with multiple attack vectors including unauthenticated code execution requires immediate patching.
- Action
- Consult Cisco security advisories for affected IOS XE releases and deploy patches urgently.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2674
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-202670.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202680.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202690.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202700.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202710.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202720.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202730.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-203080.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-203110.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-201240.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-20267 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20268 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20269 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20270 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20271 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20272 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20273 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20308 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20311 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20124 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20263 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownCisco Products Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in Cisco products (August 6, 2026)cert-fr-avis
- mediumCVE-2026-20311: A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an …nvd
- mediumCVE-2026-20308: A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an …nvd
- highCVE-2026-20273: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- criticalCVE-2026-20272: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- highCVE-2026-20271: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- highCVE-2026-20270: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- highCVE-2026-20269: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- highCVE-2026-20268: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- criticalCVE-2026-20267: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS…nvd
- highCVE-2026-20263: A vulnerability in the Blocks Extensible Exchange Protocol (BEEP) feature of Cisco IOS XE Soft…nvd
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