CVE-2026-20277Disclosure

LOWCVSS 8.2 · HIGH

Signal is active with 1 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 XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20277 are related to protection mechanism failure issues that are grouped under the Common Weakness Enumeration (CWE) CWE-693.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-693

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://sec.kaitan.id/cves/CVE-2026-20277

Full discourse1 post

Kaitan ID Security@KaitanSecurity46d
Disclosure
⚠️ HIGH — CVE-2026-20277 Cisco Advance Notification for Publication of September 2, 2026, Security Advisories CVSS 8.2 Full analysis → https://sec.kaitan.id/cves/CVE-2026-20277 #Cisco #CyberSecurity #InfoSec
Post summary
Cisco announced a high‑severity CVE‑2026‑20277 (CVSS 8.2) as an advance notification, linking to a full analysis but providing no immediate PoC, exploit, or patch details.
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