How severe is CVE-2021-28468?

CVE-2021-28468 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-28468 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28468?

CVE-2021-28468 affects Microsoft Raw Image Extension. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28468?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-28468 published?

CVE-2021-28468 was published on 2021-04-13 and last updated on 2026-06-17.

CVE-2021-28468

CVE-2021-28468 is a high-severity vulnerability in Microsoft Raw Image Extension with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Microsoft Raw Image Extension
Published: 2021-04-13
Last modified: 2026-06-17

Description

Raw Image Extension Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2021-28468?: Raw Image Extension Remote Code Execution Vulnerability
How severe is CVE-2021-28468?: CVE-2021-28468 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-28468 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28468?: CVE-2021-28468 affects Microsoft Raw Image Extension. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28468?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-28468 published?: CVE-2021-28468 was published on 2021-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:raw_image_extension:-:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Raw Image Extension

CVE-2023-28291 — High (CVSS 8.4): Raw Image Extension Remote Code Execution Vulnerability
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Other CWE-843 vulnerabilities

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