CVE-20XX-?

CVE-2026-34002

6.1 MEDIUM 0.5% exploit odds No fix listed Memory safety Server

What it is

A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard Extension) modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory boundaries. This can lead to the exposure of sensitive information or cause the server to crash, resulting in a denial of service.

At a glance

Exploitability
Can be exploited locally on the machine with a low-privilege account. High risk of data exposure.
Exploit odds
0.5% chance of exploitation in the next 30 days (EPSS).
Fix
No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Details

Published
Last modified
Exploit probability
0.5% · EPSS, next 30 days
Weakness
CWE-805
Record status
Modified

Affected

Attack profile CVSS 3.1 · 6.1

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low
Raw vector

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

Meme: I wake up, CVE-2026-34002
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References

NVD record · CVE.org record