UltraVNC

UltraVNC 1.8.2.9 (release):
- https://uvnc.com/products/ultravnc.html
- https://uvnc.com/downloads/ultravnc.html
- https://uvnc.com/downloads/ultravnc/172 ... 8-2-9.html

Social network announcements, please share, like, boost, favorite, bookmark, ...
- Mastodon: https://mastodon.social/@ultravnc/117237318066375338
- Bluesky: https://bsky.app/profile/ultravnc.bsky. ... zuk2zq6k2j
- X/Twitter: https://x.com/ultravnc1/status/2097422236973945157
- Facebook: https://www.facebook.com/Ultravnc1/post ... SD6z7trRsl

Changelog since the previous stable build:
Version 1.8.2.9 - September 2026
- Fixed a purple halo that appeared around the mouse cursor
- Info messages (-InfoMsg) now display non-ASCII characters correctly
- Command-line options are now correctly re-applied when loading per-connection settings in the Viewer
- Fixed a crash/stability issue when the server detects the operating system version

Version 1.8.2.8 - August 2026
- Fixed a heap overflow in Tight JPEG decoding and hardened the viewer against malformed screen updates sent by a Server
- Full-screen now automatically hides the toolbar — no need for the -notoolbar workaround
- Logfile now accepts paths containing spaces (e.g., C:\Program Files\uvnc.log)
- Info messages (-InfoMsg) now support non-ASCII characters (UTF-8)
- Fixed detection of empty and encrypted-empty passwords
- Fixed a network interruption (error 10004) being incorrectly reported as a system error
- The Viewer now correctly refreshes the screen when returning from dormant mode
- Various screen handling fixes

Version 1.8.2.7 - August 2026
- Harden viewer against malformed framebuffer update rectangles
- Empty password fix
- Screen fix

Version 1.8.2.6 - August 2026
- Viewer passwords can now be saved securely in the Windows Credential Manager and are reused automatically on the next connection
- Added a noVNC web-based viewer with TLS support
- FileTransfer: deleting multiple files at once works again, and file transfer with older Viewers is supported
- Portable mode: the server keeps running headless on systems without an explorer shell (e.g., WinPE)
- The Server no longer restarts when encryption is activated
- Fixed horizontal scrolling in the Viewer
- Fixed clipboard synchronization issues
- Fixed display sizing on Windows 7 and improved automatic window sizing
- Quotes inside passwords can now be escaped on the command line (vncviewer.exe -password "123\"456")
- MS-Logon authentication fixes (timeout, screen position)
- A service running under a custom service name no longer reads ultravnc.ini
- Complete German translation for the server dialogs; all language files synchronized; dialog text enlarged so translations display properly
- Security audit hardening: file-transfer paths pinned, safer DLL loading, and hardened service command handling

Version 1.8.2.5 - July 2026
- Viewer layout
- FileTransfer: Support Legacy viewer recv fix
- FileTransfer: Multi delete files wasn't correct working
- Changing settings encryption on/off doesn't require a restart anymore
- Horizontal mouse scrolling #369
- Add \ as escape to enter a " in the password vncviewer.exe -password "123\"4567"
- Clipboard encoding fix
- Security fixes
- Custom service: using own servicename.ini should not use ultravnc.ini
- Layout changes Viewer
- Expand text boxes, Fix logo positions (#374)

Version 1.8.2.4 – June 2026
- FileTransfer using commandline

Version 1.8.2.3 – June 2026
- Repeater: security fixes
- Stronger encryption for MS-Logon user/passwd // MS-Logon III: X25519 + AES-256-GCM, replaces weak 31-bit DH
- Layout to make translations fit fix
- Update translations (Russian added)
- Skip close request when sc_exit is used
- REGRESSION: Repeater:proxy setting not loading correctly on VNC Viewer in 1.8.2.2 #359
- #360 #361 timeouts and blacklist
- CVE-2026-7840 fix
- CVE-2026-7839 fix
- CVE-2026-7838 fix
- CVE-2026-7831 fix
- CVE-2026-7830 fix
- CVE-2026-7829 fix
- CVE-2026-7828 fix
- CVE-2026-44040 fix
- CVE-2026-44041 fix
- CVE-2026-44042 fix

Version 1.8.2.2 - May 2026
- Translation sync
- Fullscreen start
- Minor UI layout fixes

Version 1.8.2.1 - May 2026
- CVE-2026-3787 - CWE-428 fix
- Remove creation empty foler for snapshots on init
- FileTransfer history change font settings

Version 1.8.2.0 - May 2026
- Bridge removed, not working moved to 1.9.x

Version 1.8.1.1 - May 2026
- FileTransfer fixes
- Use Windows 7 zip/unzip option
- Security fix

Version 1.8.1.0 – April 2026
- FileTransfer fixes

Version 1.8.0.9 – April 2026
- FileTransfer fixes

Version 1.8.0.8 – April 2026
Fixes:
- Logging: correct init order: log file now properly opened on startup (service + app mode) fix
- Logging not active on server startup fix #340
- Desktop/Downloads show "media not present" when running as service fix #259
- FileTransfer fails after window close in kiosk/no-shell mode fix #189
- Prevent International keys and Alternate keyboard from being enabled simultaneously fix
- New zip/unzip bug fix
- FileTransfer: Refresh button misaligned on resize; stale !UVNCDIR- entry after folder receive fix
- Virtual key (virtKey!=69) fix

Improvements:
- FileTransfer: update zip/unzip with Unicode + long filename support
- FileTransfer: add progress indication while folder is being zipped
- FileTransfer: add Refresh button
- FileTransfer: show file extension and date columns
- Update CMake and Qt project files
- Installer and minor changes

Version 1.8.0.7 – April 2026
- zip/unzip (minizip-ng) updated
- virtKey!=69 fix
- FileTransfer changes:
* File and date
* Add Refresh button
* Add indication that folder is being zipped before transfer
* Several fixes for the new zip lib

Version 1.8.0.6 – April 2026
- FileTransfer folder transfer fix
- OpenSSL 3.6.2
- libsodium 1.0.22
- setpasswd/createpasswd write to %programdata% instead of current folder

Version 1.8.0.5 – April 2026
- FileTransfer needed bigger buffers for UTF-8/UTF-16
- UI Unicode fixes
- Unicode logging
- Baseline lib updates:
* libjpeg-turbo 3.1.4.1
* liblzma 5.8.3
* libsodium 1.0.21
* OpenSSL 3.6.1
* zlib 1.3.1
* zstd 1.5.7

Version 1.8.0.4 – April 2026
- Unicode and encryption plugin fix
- Unicode UI fix

UltraVNC 1.8.0.3 - April 2026
- Keyboard changes: Sync Server and Viewer keyboard handling, this should fix:
Incorrectly handles Cyrillic (0x06a1-0x06ff) - treats as Unicode instead of X11 keysym
Incorrectly handles Greek (0x07a1-0x07f9)
Incorrectly handles Hebrew (0x0cdf-0x0cfa)
Incorrectly handles Arabic (0x05ac-0x05fe)
Incorrectly handles Thai (0x0da1-0x0df9)
Incorrectly handles Korean (0x0ea1-0x0eff)
Doesn't handle Unicode keysyms (0x01000000+)

Version 1.8.0.2 – March 2026
- Unicode Viewer fixes

Version 1.8.0.1 – March 2026

Version 1.8.0.0 – March 2026
- FileTransfer, Chat, keyboard Unicode
- Minor optimizations
- Viewer unicode build

Version 1.7.1.11 – March 2026
- CVE-2026-3787 fix: viewtopic.php?t=38155

Version 1.7.1.10 – March 2026
- FileTransfer Unicode
- FileTransfer fail on RDP fix
- Use system fonts for chat

Version 1.7.1.9 – March 2026
- FileTransfer Unicode
- FileTransfer flag unaccessible folders red
- Used secure copy_s functions
- Loadlibrary limit path search

Version 1.7.1.7 – Feb 2026
- Copy/Paste removal
- FileTransfer dialog extended

Version 1.7.1.6 – Feb 2026
- Longer hostfield
- Copy/Paste 2 way
- FileTransfer mark unaccessible red
- Save load config file fix
- Accept/refuse: Query is now the default

UltraVNC Changelog
Version 1.7.1.5 – Feb 2026
- FileTransfer Speedup
- Color cursors fix
- FileTransfer and unreadable folders fix
- Viewer loading/saving settings, encryption saving, buffer overrun fix
- Viewer larger host field

Version 1.7.1.1 – Jan 2026
- Unicode for Chat
- Copy/Paste Files
- Listening mode fix

Version 1.7.1.0 – Dec 2025
- FileTransfer optimized (2x faster minimum)
- Bridge mode
- Translations (DE ES FR ZH)
- Use proper ini path (ultravnc.ini) + portable
- Accessibility enlarged cusor show a black rectangle fix
- IPv6 fix
- Use Only Default ConfigFile fix
- Quickoptions fix
- Baseline lib updates:
* libjpeg-turbo: 3.1.2
* liblzma: 5.8.1
* OpenSSL: 3.6.0#3
* zlib: 1.3.1
* zstd: 1.5.7

Feedback:
- viewtopic.php?t=38158