7.5

CVE-2026-70179: microsoft microsoft visual studio 2022 version 17.14 Authentication Bypass by Spoofing

CVSS: 7.5v3.1HighAwaiting analysis
AliasesGHSA-vrrp-6v32-2p8g
Published 13-10-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-70179 is a high (CVSS 7.5) Authentication Bypass by Spoofing vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft3 products
NuGet1 product
  • Microsoft.AspNetCore.Authentication.Negotiate≥ 10.0.0, < 10.0.13 | ≥ 8.0.0, < 8.0.32 | ≥ 9.0.0, < 9.0.21

2 vendors · 4 products

References

6 links