HIGH

CVE-2026-23918

CVSS v3

8.8

HIGH

EPSS Score

0.1 %

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

Microsoft Security Update (CVE-2026-23918)

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2026-05-07
MSRC Title: Apache HTTP Server: http2: double free and possible RCE on early reset
Exploit-DB: EDB-52577

Frequently asked questions

What is CVE-2026-23918?

Microsoft Security Update (CVE-2026-23918)

Is CVE-2026-23918 actively exploited?

Active exploitation of CVE-2026-23918 has not been confirmed. The EPSS score is 0.1%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-23918?

CVE-2026-23918 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is CVE-2026-23918 affecting your environment?

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