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CVE-2021-43214

32
FAUCET Score

CVE-2021-43214 is a critical Remote Code Execution vulnerability affecting Microsoft Raw Image Extension. With a CVSS score of 9.8, it allows unauthenticated attackers to execute arbitrary code over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no public exploit code or evidence of active exploitation, the vulnerability has garnered significant community attention with 11 mentions and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.23022.0CPE 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
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 63rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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-Dec/CVE-2021-43214Important

Web Media Extensions Remote Code Execution Vulnerability

Dec 14, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-43214
PatchVendor Advisory