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CVE-2021-28468

27
FAUCET Score

CVE-2021-28468 is a Remote Code Execution vulnerability affecting Microsoft's Raw Image Extension. An attacker could exploit this vulnerability by tricking a user into opening a specially crafted image file, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 7.8 (HIGH), it requires user interaction and local access for exploitation. While no public exploit code or active exploitation has been observed, and it's not on CISA's KEV catalog, its EPSS score suggests a higher-than-average probability of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:raw_image_extension:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.91%
Probability of exploitation in next 30 days
EPSS Percentile
92.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0591 is in the 93rd percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

microsoft2021-Apr/CVE-2021-28468Important

Raw Image Extension Remote Code Execution Vulnerability

Apr 13, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-28468
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-21-421
Third Party Advisory