How severe is CVE-2022-26296?

CVE-2022-26296 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-26296 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26296?

CVE-2022-26296 affects Boom-core Risvc-boom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26296?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-26296 published?

CVE-2022-26296 was published on 2022-03-28 and last updated on 2026-06-17.

CVE-2022-26296

CVE-2022-26296 is a medium-severity vulnerability in Boom-core Risvc-boom with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Boom-core Risvc-boom
Published: 2022-03-28
Last modified: 2026-06-17

Description

BOOM: The Berkeley Out-of-Order RISC-V Processor commit d77c2c3 was discovered to allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

Frequently asked questions

What is CVE-2022-26296?: BOOM: The Berkeley Out-of-Order RISC-V Processor commit d77c2c3 was discovered to allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
How severe is CVE-2022-26296?: CVE-2022-26296 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-26296 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26296?: CVE-2022-26296 affects Boom-core Risvc-boom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26296?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26296 published?: CVE-2022-26296 was published on 2022-03-28 and last updated on 2026-06-17.

References

https://github.com/riscv-boom/riscv-boom/issues/577

Affected products (1)

cpe:2.3:a:boom-core:risvc-boom:*:*:*:*:*:*:*:*

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