Search/CVE-2026-77692
● CVE — High

CVE-2026-77692

DiscoveredSep 16, 2026UpdatedOct 26, 2026

An attacker can cause named to abort by sending a crafted DNS-over-HTTPS request with a cryptographically invalid SIG(0) record, and then closing the transport connection prematurely. This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.

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CVSS v3.1
7.5 HIGH
EPSS
6.56%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
5
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 19, 2026 → Oct 6, 2026
▲ 6.08pp
0.48% → 6.56% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
6 relationships
Timeline
disclosure → media coverage
Sep 16, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 26, 2026
Sep 17, 2026
thehackernews.com reports: BIND 9 Update Fixes 14 Flaws, Including an Unauthenticated Crash Over DNS-over-HTTPS
Sep 17, 2026
securityweek.com reports: ISC Patches 14 Vulnerabilities in BIND 9 Security Update
Sep 21, 2026
thehackernews.com reports: ⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks
Sep 21, 2026
research.checkpoint.com reports: 21st September – Threat Intelligence Report
Nov 3, 2026
ubuntu.com reports: USN-8969-1: Bind vulnerabilities