CVE-2026-29642

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. 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

2026-04-20 00:00Z4 MO AGO

Last updated

2026-04-21 19:50Z4 MO AGO

Reserved

2026-03-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-1244Internal Asset Exposed to Unsafe Debug Access Level or StateBase

Data version

5.2

Document digest

41f7aba8af651e8f253852a7a919faf3dc8024c4b2e011a1f19e62209ce668ea

• github.comhttps://github.com/OpenXiangShan/XiangShan/issues/3934
• github.comhttps://github.com/OpenXiangShan/XiangShan/commit/5e3dd63
• docs.riscv.orghttps://docs.riscv.org/reference/isa/priv/priv-csrs.html
• docs.riscv.orghttps://docs.riscv.org/reference/isa/priv/machine.html