CVE-2025-4455Patch My PC Home Updater System.IO uncontrolled search path
- 7.3HighCVSS base score
- 0.28%Exploitation in 30 daysEPSS · top 79% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
A vulnerability was found in Patch My PC Home Updater up to 5.1.3.0. It has been rated as critical. This issue affects some unknown processing in the library advapi32.dll/BCrypt.dll/comctl32.dll/crypt32.dll/dwmapi.dll/gdi32.dll/gdiplus.dll/imm32.dll/iphlpapi.dll/kernel32.dll/mscms.dll/msctf.dll/ntdll.dll/ole32.dll/oleaut32.dll/PresentationNative_cor3.dll/secur32.dll/shcore.dll/shell32.dll/sspicli.dll/System.IO. The manipulation leads to uncontrolled search path. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | High7.3 | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| VulDBCNA (assigner) | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| VulDBCNA (assigner) | 3.0 | High7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| VulDBCNA (assigner) | 2.0 | Medium6.0 | AV:L/AC:H/Au:S/C:C/I:C/A:C |
| NVDNVD · Deferred | 4.0 | High7.3 | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.28% · top 79% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Affected products
- affected 5.1.0
- affected 5.1.1
- affected 5.1.2
- affected 5.1.3.0
References
References4
- VDB-308069 | Patch My PC Home Updater System.IO uncontrolled search path (opens in a new tab)vdb-entry
- VDB-308069 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #562440 | Patch My Pc Patch My PC Home Updater <=5.1.3.0 Uncontrolled Search Path (opens in a new tab)third-party-advisory
- https://gist.github.com/shellkraft/d7db265b53115d52a4ca5bffe5e9c6e4 (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-14072 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-4455)Record last updated .