Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

CSIRTS triage

What

Cisco will publish security advisories on August 5, 2026, for various products.

Who is affected

Users of Cisco products listed for upcoming advisories.

Urgency

Remediation is important to address vulnerabilities that will be disclosed.

Action

Prepare to upgrade to fixed software versions once advisories are published.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Cisco Security Advisories (INTL · vendor-psirt · site)

Severity

critical

Published

2026-08-05

Exploitation

Not in CISA KEV at last sync

Original advisory: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-L4XfJg8S?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Advance%20Notification%20for%20Publication%20of%20August%205,%202026,%20Security%20Advisories%26vs_k=1

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-2026-203030.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-203040.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-203100.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-203120.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-203130.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-202670.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-202680.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-202690.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-202700.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-202710.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownMultiple vulnerabilities in Cisco IOS XE (August 25, 2026)cert-fr-avis
• unknownexploitedCisco Products Multiple Vulnerabilitieshkcert
• mediumCisco Catalyst SD-WAN Manager Information Disclosure Vulnerabilitycisco-psirt
• unknownNCSC-2026-0279 [1.00] [M/H] Vulnerabilities patched in Cisco IOS XE Softwarencsc-nl
• high[NEW] [high] Cisco IOS: Vulnerability Enables Denial of Servicecert-bund
• high[NEW] [high] Cisco IOS XE: Multiple Vulnerabilitiescert-bund
• high[NEW] [high] Cisco Integrated Management Controller: Multiple Vulnerabilitiescert-bund
• high[NEW] [high] Cisco Catalyst SD-WAN Manager: Multiple Vulnerabilitiescert-bund
• unknownNCSC-2026-0277 [1.00] [M/H] Vulnerabilities patched in Cisco Catalyst SD-WANncsc-nl
• unknownCisco Products Multiple Vulnerabilitieshkcert
• unknownMultiple vulnerabilities in Cisco products (August 6, 2026)cert-fr-avis
• highCVE-2026-20313: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Cat…nvd

Recent advisories for Cisco Advance Notification

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• unknownCisco Advance Notification for Publication of September 16, 2026, Security Advisoriescisco-psirt · 2026-09-09
• criticalCisco Advance Notification for Publication of September 2, 2026, Security Advisoriescisco-psirt · 2026-09-02
• criticalCisco Advance Notification for Publication of August 19, 2026, Security Advisoriescisco-psirt · 2026-08-19
• highCisco Advance Notification for Publication of July 15, 2026, Security Advisoriescisco-psirt · 2026-07-15
• highCisco Advance Notification for Publication of July 1, 2026, Security Advisoriescisco-psirt · 2026-07-01

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