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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-20268

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-2026-20268 are related to issues with improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.

CVSS 8.6 · HighBuzz score 31.1

Buzz score

Why this CVE is surfacing

Buzz score total 31.1

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 15.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
15.0
3 sources across 3 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
4
within the 30d window
Peak daily
3
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first
  • Cisco Patches 12 SD-WAN and IOS XE Flaws, Including Three 9.9 CVSS Score BugsThe Hacker News

    the necessary updates for optimal protection. The vulnerabilities impacting Catalyst SD-WAN Software are listed below - CVE-2026-20303 (CVSS score: 9.9) - An improper input validation vulnerability (which also covers path traversals) CVE-2026-20304 (CVSS score: 9.9) - An improper access control vulnerability CVE-2026-20310 (CVSS score: 9.9) - An improp

    newsthehackernews.comAug 6, 2026, 5:13 PM
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJsec.cloudapps.cisco.com

    No excerpt available.

    Vendor Advisorysec.cloudapps.cisco.comAug 5, 2026, 5:16 PM
  • Cisco Advance Notification for Publication of August 5, 2026, Security AdvisoriesCisco Security Advisories

    ry CVE ID Security Impact Rating CVSS Base Score Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026 CVE-2026-20303 CVE-2026-20304 CVE-2026-20310 CVE-2026-20312 CVE-2026-20313 Critical 9.9 Cisco IOS XE Software Security Hardening Release: August 2026 CVE-2026-20267 CVE-2026-20268 CVE-2026-20269 CVE-2026-20270 CVE-2026-20271 CVE-2026-

    vendorsec.cloudapps.cisco.comAug 5, 2026, 4:01 PM
  • Cisco IOS XE Software Security Hardening Release: August 2026Cisco Security Advisories

    m/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJ Security Impact Rating: Critical CVE: CVE-2026-20267,CVE-2026-20268,CVE-2026-20269,CVE-2026-20270,CVE-2026-20271,CVE-2026-20272,CVE-2026-20273

    vendorsec.cloudapps.cisco.comAug 5, 2026, 4:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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