CVE-2026-74997

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 66.1% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-08.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-17 12:37Z2 MO AGO

Last updated

2026-08-17 14:34Z2 MO AGO

Reserved

2026-08-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.2

Document digest

6dcff4309880cd09a78917126ccfdbe227db8623634be1344aed6717c0f0eb6e

• roundcube.nethttps://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.18
• github.comhttps://github.com/roundcube/roundcubemail/commit/b8f90e28a46d42e79a69568cba897f8f4223d9cd
• github.comhttps://github.com/roundcube/roundcubemail/commit/495d211638f222336b20f4744545c53712426c2a
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.7.3
• github.comhttps://github.com/roundcube/roundcubemail/commit/14044f843cfacbe78b042f659e379d6b4497aa7c