CVE-2026-23863

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 ImpactpartialSuccessful exploitation gives limited 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

0.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 42.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-05-01 16:01Z4 MO AGO

Last updated

2026-05-01 17:41Z4 MO AGO

Reserved

2026-01-16

Assigning CNA

Meta

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C

Weaknesses

• CWE-158Improper Neutralization of Null Byte or NUL CharacterVariant

Data version

5.2

Document digest

e59d3d07ca76d5e931f8be0f65948a3cdd15bc111b3a7de7d6fb8c0945cbf5ef

• www.facebook.comhttps://www.facebook.com/security/advisories/cve-2026-23863x_refsource_CONFIRM
• www.whatsapp.comhttps://www.whatsapp.com/security/advisories/2026x_refsource_CONFIRM