Vulnerability

CVE-2026-79992

High· 7.8CVSS7.8EPSS0%

.rules3/5

A flaw was found in Emacs TRAMP. A local attacker could exploit this vulnerability by processing maliciously crafted filenames. This occurs because TRAMP concatenates login arguments without proper sanitization, which are then passed to a l

Threat signal

78/100

High

Severity

high

CVSS

7.8

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

7.8/ 10HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLocalRequires local access — shell, console, or local app.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.15%

probability of exploitation in next 30 days

higher than 3% of all CVEs

6-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2026-79992. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCTrack

Total impact on non-trivial mission systems

exploitation: none
automatable: no
impact: total
mission: support

Lifecycle

2026-08-25Published
2026-09-28Vendor advisory · amazon-linuxALAS2-2026-3944 — ALAS2-2026-3944 (important): emacs
2026-10-19Last modified1 source
2026-10-23Vendor advisory · suseSUSE-SU-2026%3A4893-1 — SUSE-SU-2026%3A4893-1

CVE-2026-79992

CVSS

EPSS

Vendor VEX

Lifecycle

Entity graph

Vendor advisories

References

CVE-2026-79992

CVSS

EPSS

Vendor VEX

Lifecycle

Entity graph

Vendor advisories

References