- Description
- Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
- Products
- .net
CVSS 3.1
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Severity
- MEDIUM
- secure@microsoft.com
- CWE-59
- Hype score
- Not currently trending
Ubuntu reported two .NET vulnerabilities, CVE-2026-45491 and CVE-2026-45591, enabling local file tampering and denial of service across Ubuntu 26.04 LTS, 25.10, 24.04 LTS and 22.04 LTS in security advisory USN-8420-1. https://t.co/7cCRmR75SQ
@threatcluster
12 Jun 2026
47 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flaws https://t.co/sIeR2kEeyE Tag CVE ID CVE Title Severity .NET CVE-2026-45491 .NET Tampering Vulnerability Important .NET CVE-2026-45490 .NET SDK Elevation of Privilege Vulnerability Important Active Direct
@nims213
9 Jun 2026
30 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
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