VulnSocial

CVE-2026-20268General(cisco / ios_xe)

LOWCVSS 8.6 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • ios_xe

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
cisco
Products
ios_xe

267 versions affected across 1 product

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-08-05: 2Technical Details · 2026-08-05: 108-05
Signal classification1 categories
General
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • VulDB 🛡@vuldb
    General

    The severity is increased for this new vulnerability affecting Cisco IOS XE Software (CVE-2026-20268) https://vuldb.com/vuln/386294

    Post summary

    The message merely states that the severity of Cisco IOS XE Software CVE-2026-20268 has been increased, linking to a vulnerability record, without offering technical, exploit, or mitigation details.

    00010182
    2.3K followersView on X
  • Kaitan ID Security@KaitanSecurity
    General

    ⚠️ HIGH — CVE-2026-20268 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering … CVSS 8.6 Full analysis → https://sec.kaitan.id/cves/CVE-2026-20268 #Cisco #CyberSecurity #InfoSec

    Post summary

    The post announces CVE-2026-20268 for Cisco IOS XE with a CVSS score of 8.6, links to a full analysis, but provides no PoC, exploit code, or patch information.

    0000080
    88 followersView on X
CPE platform detail267 entries

267 of 267 entries

PartVendorProductVersionTarget SWTarget HW
OSciscoios_xe16.10.1--
OSciscoios_xe16.10.1a--
OSciscoios_xe16.10.1b--
OSciscoios_xe16.10.1c--
OSciscoios_xe16.10.1d--
OSciscoios_xe16.10.1e--
OSciscoios_xe16.10.1f--
OSciscoios_xe16.10.1g--
OSciscoios_xe16.10.1s--
OSciscoios_xe16.10.2--
OSciscoios_xe16.10.3--
OSciscoios_xe16.11.1--
OSciscoios_xe16.11.1a--
OSciscoios_xe16.11.1b--
OSciscoios_xe16.11.1c--
OSciscoios_xe16.11.1s--
OSciscoios_xe16.11.2--
OSciscoios_xe16.12.1--
OSciscoios_xe16.12.10--
OSciscoios_xe16.12.10a--
OSciscoios_xe16.12.11--
OSciscoios_xe16.12.12--
OSciscoios_xe16.12.13--
OSciscoios_xe16.12.14--
OSciscoios_xe16.12.15--
OSciscoios_xe16.12.16--
OSciscoios_xe16.12.1a--
OSciscoios_xe16.12.1c--
OSciscoios_xe16.12.1s--
OSciscoios_xe16.12.1t--
OSciscoios_xe16.12.1w--
OSciscoios_xe16.12.1x--
OSciscoios_xe16.12.1y--
OSciscoios_xe16.12.1z--
OSciscoios_xe16.12.1z1--
OSciscoios_xe16.12.1z2--
OSciscoios_xe16.12.2--
OSciscoios_xe16.12.2a--
OSciscoios_xe16.12.2s--
OSciscoios_xe16.12.2t--
OSciscoios_xe16.12.3--
OSciscoios_xe16.12.3a--
OSciscoios_xe16.12.3s--
OSciscoios_xe16.12.4--
OSciscoios_xe16.12.4a--
OSciscoios_xe16.12.5--
OSciscoios_xe16.12.5a--
OSciscoios_xe16.12.5b--
OSciscoios_xe16.12.6--
OSciscoios_xe16.12.6a--
OSciscoios_xe16.12.7--
OSciscoios_xe16.12.8--
OSciscoios_xe16.12.9--
OSciscoios_xe16.6.10--
OSciscoios_xe16.6.2--
OSciscoios_xe16.6.3--
OSciscoios_xe16.6.4--
OSciscoios_xe16.6.4a--
OSciscoios_xe16.6.4s--
OSciscoios_xe16.6.5--
OSciscoios_xe16.6.5a--
OSciscoios_xe16.6.5b--
OSciscoios_xe16.6.6--
OSciscoios_xe16.6.7--
OSciscoios_xe16.6.7a--
OSciscoios_xe16.6.8--
OSciscoios_xe16.6.9--
OSciscoios_xe16.7.1--
OSciscoios_xe16.7.1a--
OSciscoios_xe16.7.1b--
OSciscoios_xe16.7.2--
OSciscoios_xe16.7.3--
OSciscoios_xe16.7.4--
OSciscoios_xe16.8.1--
OSciscoios_xe16.8.1a--
OSciscoios_xe16.8.1b--
OSciscoios_xe16.8.1c--
OSciscoios_xe16.8.1d--
OSciscoios_xe16.8.1e--
OSciscoios_xe16.8.1s--
OSciscoios_xe16.8.2--
OSciscoios_xe16.8.3--
OSciscoios_xe16.9.1--
OSciscoios_xe16.9.1a--
OSciscoios_xe16.9.1b--
OSciscoios_xe16.9.1c--
OSciscoios_xe16.9.1d--
OSciscoios_xe16.9.1s--
OSciscoios_xe16.9.2--
OSciscoios_xe16.9.2a--
OSciscoios_xe16.9.2s--
OSciscoios_xe16.9.3--
OSciscoios_xe16.9.3a--
OSciscoios_xe16.9.3h--
OSciscoios_xe16.9.3s--
OSciscoios_xe16.9.4--
OSciscoios_xe16.9.4c--
OSciscoios_xe16.9.5--
OSciscoios_xe16.9.5f--
OSciscoios_xe16.9.6--
OSciscoios_xe16.9.7--
OSciscoios_xe16.9.8--
OSciscoios_xe16.9.8a--
OSciscoios_xe16.9.8b--
OSciscoios_xe17.1.1--
OSciscoios_xe17.1.1a--
OSciscoios_xe17.1.1s--
OSciscoios_xe17.1.1t--
OSciscoios_xe17.1.2--
OSciscoios_xe17.1.3--
OSciscoios_xe17.10.1--
OSciscoios_xe17.10.1a--
OSciscoios_xe17.10.1b--
OSciscoios_xe17.11.1--
OSciscoios_xe17.11.1a--
OSciscoios_xe17.12.1--
OSciscoios_xe17.12.1a--
OSciscoios_xe17.12.1w--
OSciscoios_xe17.12.1x--
OSciscoios_xe17.12.1y--
OSciscoios_xe17.12.1z--
OSciscoios_xe17.12.1z1--
OSciscoios_xe17.12.1z2--
OSciscoios_xe17.12.1z3--
OSciscoios_xe17.12.1z4--
OSciscoios_xe17.12.1z5--
OSciscoios_xe17.12.1z6--
OSciscoios_xe17.12.2--
OSciscoios_xe17.12.2a--
OSciscoios_xe17.12.3--
OSciscoios_xe17.12.3a--
OSciscoios_xe17.12.4--
OSciscoios_xe17.12.4a--
OSciscoios_xe17.12.4b--
OSciscoios_xe17.12.5--
OSciscoios_xe17.12.5a--
OSciscoios_xe17.12.5b--
OSciscoios_xe17.12.5c--
OSciscoios_xe17.12.5d--
OSciscoios_xe17.12.6--
OSciscoios_xe17.12.6a--
OSciscoios_xe17.12.6b--
OSciscoios_xe17.12.7--
OSciscoios_xe17.12.7a--
OSciscoios_xe17.12.7b--
OSciscoios_xe17.13.1--
OSciscoios_xe17.13.1a--
OSciscoios_xe17.14.1--
OSciscoios_xe17.14.1a--
OSciscoios_xe17.15.1--
OSciscoios_xe17.15.1a--
OSciscoios_xe17.15.1b--
OSciscoios_xe17.15.1w--
OSciscoios_xe17.15.1x--
OSciscoios_xe17.15.1y--
OSciscoios_xe17.15.2--
OSciscoios_xe17.15.2a--
OSciscoios_xe17.15.2b--
OSciscoios_xe17.15.2c--
OSciscoios_xe17.15.3--
OSciscoios_xe17.15.3a--
OSciscoios_xe17.15.3b--
OSciscoios_xe17.15.4--
OSciscoios_xe17.15.4a--
OSciscoios_xe17.15.4b--
OSciscoios_xe17.15.4c--
OSciscoios_xe17.15.4d--
OSciscoios_xe17.15.4s1--
OSciscoios_xe17.15.5--
OSciscoios_xe17.15.5a--
OSciscoios_xe17.15.7--
OSciscoios_xe17.16.1--
OSciscoios_xe17.16.1a--
OSciscoios_xe17.17.1--
OSciscoios_xe17.18.1a--
OSciscoios_xe17.18.1w--
OSciscoios_xe17.18.1x--
OSciscoios_xe17.18.1y--
OSciscoios_xe17.18.1z--
OSciscoios_xe17.18.2--
OSciscoios_xe17.18.3--
OSciscoios_xe17.18.3a--
OSciscoios_xe17.2.1--
OSciscoios_xe17.2.1a--
OSciscoios_xe17.2.1r--
OSciscoios_xe17.2.1v--
OSciscoios_xe17.2.2--
OSciscoios_xe17.2.3--
OSciscoios_xe17.3.1--
OSciscoios_xe17.3.1a--
OSciscoios_xe17.3.1w--
OSciscoios_xe17.3.1x--
OSciscoios_xe17.3.1z--
OSciscoios_xe17.3.2--
OSciscoios_xe17.3.2a--
OSciscoios_xe17.3.3--
OSciscoios_xe17.3.3a--
OSciscoios_xe17.3.4--
OSciscoios_xe17.3.4a--
OSciscoios_xe17.3.4b--
OSciscoios_xe17.3.4c--
OSciscoios_xe17.3.5--
OSciscoios_xe17.3.5a--
OSciscoios_xe17.3.5b--
OSciscoios_xe17.3.6--
OSciscoios_xe17.3.7--
OSciscoios_xe17.3.8--
OSciscoios_xe17.3.8a--
OSciscoios_xe17.4.1--
OSciscoios_xe17.4.1a--
OSciscoios_xe17.4.1b--
OSciscoios_xe17.4.1c--
OSciscoios_xe17.4.2--
OSciscoios_xe17.4.2a--
OSciscoios_xe17.5.1--
OSciscoios_xe17.5.1a--
OSciscoios_xe17.6.1--
OSciscoios_xe17.6.1a--
OSciscoios_xe17.6.1x--
OSciscoios_xe17.6.1z--
OSciscoios_xe17.6.1z1--
OSciscoios_xe17.6.2--
OSciscoios_xe17.6.3--
OSciscoios_xe17.6.3a--
OSciscoios_xe17.6.4--
OSciscoios_xe17.6.5--
OSciscoios_xe17.6.5a--
OSciscoios_xe17.6.6--
OSciscoios_xe17.6.6a--
OSciscoios_xe17.6.7--
OSciscoios_xe17.6.8--
OSciscoios_xe17.6.8a--
OSciscoios_xe17.7.1--
OSciscoios_xe17.7.1a--
OSciscoios_xe17.7.1b--
OSciscoios_xe17.7.2--
OSciscoios_xe17.8.1--
OSciscoios_xe17.8.1a--
OSciscoios_xe17.9.1--
OSciscoios_xe17.9.1a--
OSciscoios_xe17.9.1w--
OSciscoios_xe17.9.1x--
OSciscoios_xe17.9.1x1--
OSciscoios_xe17.9.1y--
OSciscoios_xe17.9.1y1--
OSciscoios_xe17.9.2--
OSciscoios_xe17.9.2a--
OSciscoios_xe17.9.3--
OSciscoios_xe17.9.3a--
OSciscoios_xe17.9.4--
OSciscoios_xe17.9.4a--
OSciscoios_xe17.9.5--
OSciscoios_xe17.9.5a--
OSciscoios_xe17.9.5b--
OSciscoios_xe17.9.5c--
OSciscoios_xe17.9.5d--
OSciscoios_xe17.9.5e--
OSciscoios_xe17.9.5f--
OSciscoios_xe17.9.6--
OSciscoios_xe17.9.6a--
OSciscoios_xe17.9.7--
OSciscoios_xe17.9.7a--
OSciscoios_xe17.9.7b--
OSciscoios_xe17.9.8--
OSciscoios_xe17.9.9--
OSciscoios_xe26.1.1--
OSciscoios_xe26.1.1a--

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