CVE-2020-0849 — Windows Hard Link in Microsoft Windows

CWE-65 — Windows Hard LinkCWE-269 — Improper Privilege Management15 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 39.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR 32-bit SystemsMicrosoft Windows 10 Version 1903 FOR Arm64-based Systems+9 more
Timeline
PublishedMar 12
Latest updateMay 24

Description

An elevation of privilege vulnerability exists when Windows improperly handles hard links, aka 'Windows Hard Link Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0840, CVE-2020-0841, CVE-2020-0896.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages10 packages

▶CVEListV5microsoft/windows18 versions+17
▶NVDmicrosoft/windows4 versions+3
▶NVDmicrosoft/windows_106 versions+5
▶CVEListV5microsoft/windows_server17 versions+16

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

8
GHSA
GHSA-98hj-m7q4-8fq3: An elevation of privilege vulnerability exists when Windows improperly handles hard links, aka 'Windows Hard Link Elevation of Privilege Vulnerability↗2022-05-24
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GHSA
GHSA-wq9m-6prx-4m5m: An elevation of privilege vulnerability exists when Windows improperly handles hard links, aka 'Windows Hard Link Elevation of Privilege Vulnerability↗2022-05-24
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GHSA
GHSA-jr76-wvmm-8jfc: An elevation of privilege vulnerability exists when Windows improperly handles hard links, aka 'Windows Hard Link Elevation of Privilege Vulnerability↗2022-05-24
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GHSA
GHSA-mv3v-gjrf-8x3w: An elevation of privilege vulnerability exists when Windows improperly handles hard links, aka 'Windows Hard Link Elevation of Privilege Vulnerability↗2022-05-24
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CVEList
CVE-2020-0849: An elevation of privilege vulnerability exists when Windows improperly handles hard links, aka 'Windows Hard Link Elevation of Privilege Vulnerability↗2020-03-12
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📋Vendor Advisories

1
Microsoft
Windows Hard Link Elevation of Privilege Vulnerability↗2020-03-10
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🕵️Threat Intelligence

2
Talos
Microsoft Patch Tuesday — March 2020: Vulnerability disclosures and Snort coverage↗2020-03-10
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Talos
Microsoft Patch Tuesday — March 2020: Vulnerability disclosures and Snort coverage↗2020-03-10
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CVE-2020-0849 — Windows Hard Link in Microsoft Windows | cvebase