CVE-2026-48569: microsoft visual studio code Improper Input Validation
CVSS: 7.1v3.1HighAnalyzed
Published 09-06-2026Last modified 24-09-2026
Vulnerability summary
CVE-2026-48569 is a high (CVSS 7.1) Improper Input Validation vulnerability in microsoft visual studio code. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.42%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-06-2026PublishedVulnerability first disclosed.
- 24-09-2026Last modifiedVulnerability information updated.
Description
Improper input validation in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:CSources2 sources · 5.5–7.1
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.07 pp
From 0.35% on 19-09-2026
19-09-202619-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-23Relative Path TraversalThe product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
Affected systems
Microsoft1 product
- visual studio code≥ 1.0.0, < 1.123.2
1 vendor · 1 product