CVE-2026-70197: microsoft microsoft visual studio 2022 version 17.14 Out-of-bounds Write
CVSS: 8.1v3.1HighAwaiting analysis
AliasesGHSA-4mpw-cpwj-hxxj
Published 13-10-2026Last modified 16-10-2026
Vulnerability summary
CVE-2026-70197 is a high (CVSS 8.1) Out-of-bounds Write vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.69%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 16-10-2026Last modifiedVulnerability information updated.
Description
Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 3 agree
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · NugetEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.69%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202619-10-2026
EPSS score0.69%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- microsoft visual studio 2022 version 17.14≥ 17.14.0, < 17.14.42
- microsoft visual studio 2026 version 18.10≥ 18.10.0, < 18.10.4
- .net 10.0≥ 10.0.0, < 10.0.13
- .net 11.0≥ 11.0.0, < 11.0.0-rc.2
- .net 8.0≥ 8.0.0, < 8.0.32
NuGet3 products
- Microsoft.NETCore.App.Runtime.win-arm64≥ 8.0.0, < 8.0.32 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 9.0.0, < 9.0.21 | ≥ 10.0.0, < 10.0.13
- Microsoft.NETCore.App.Runtime.win-x64≥ 8.0.0, < 8.0.32 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 9.0.0, < 9.0.21 | ≥ 10.0.0, < 10.0.13
- Microsoft.NETCore.App.Runtime.win-x86≥ 8.0.0, < 8.0.32 | ≥ 11.0.0-preview.1, < 11.0.0-rc.2 | ≥ 9.0.0, < 9.0.21 | ≥ 10.0.0, < 10.0.13
2 vendors · 9 products
References
5 links- github.com/dotnet/runtimePACKAGE